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Organic Chemistry Glossary

Glossary Terms in Undergraduate Organic Chemistry & Where They First Appear in This Database.

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Abbreviation, Term, Symbol	Class	Database Headings
Δ	LAB	(heat)
(+)   (see dextrorotatory)	I	Stereochemistry
(-)    (see levorotatory)	I	Stereochemistry
1,2-addition	I	Electrophilic Addition
[1,2]-hydride shift	I	Carbocations
[1,2]-alkyl shift	I	Carbocations
1º, 2º, 3º, 4º	I	Classifying Carbon
[1,3] migration	II	Pericyclic reactions
1,4-addition	II	Conjugation, Enones and Enoates
[1,5] migration	II	Sigmatropic Rearrangements
[1,7] migration	II	Sigmatropic Rearrangements
[2+2] cycloaddition	II	Pericyclic Reactions
[3+2] cycloaddition	II	Pericyclic Reactions
[4+2] cycloaddition	I	Pericyclic Reactions
9-BBN	I	Electrophilic Addition
Absolute (pure, neat)	LAB
Absolute Configuration	I	Stereochemistry
Absorbance Spectrum	I	IR, UV-Vis Spectroscopy
Acetal	II	Aldehydes and ketones
Acetoacetic Ester Synthesis	II	Name Reactions
Acetylene	I	Alkynes
Acetylide Anion	I	Alkynes
Achiral	I	Stereochemistry
Acid Anhydride	II	Carboxylic Acid Derivatives
Acid-Catalyzed	I	Electrophilic Addition
Acid Chloride (also Acid Halide)	II	Carboxylic Acid Derivatives
Acid Ionization Constant	I	Acids and Bases
Activated Charcoal (Norit)	LAB
Activation Energy	GEN	Kinetics vs. Thermodynamics
Activating Group	II	Reactions of Benzene
Actual Yield	LAB
Acyl Group    (see acetyl)	II	Carboxylic Acid Derivatives
Acylation Reactions	II	Reactions of Benzene
Acylium ion	II	Reactions of Benzene
Adenine	II	Nucleic Acids
Adenosine	II	Nucleic Acids
Addition	I	Electrophilic Addition
Adsorption	LAB
Alanine	II	Peptides and Proteins
Alcohol	I	Alcohols, Ethers, Epoxides
Alcoholysis	II	Carboxylic Acid Derivatives
Aldehyde	II	Ketones and Aldehydes
Aldohexose	II	Sugars
Aldol Reaction	II	Ketones and Aldehydes II
Aldol Condensation	II	Ketones and Aldehydes II
Aldose	II	Sugars
Alkali Metal	GEN
Alkaline	GEN
Alkaline Earth Metal	GEN
Alkaloid	II	Amines
Alkane	I	Alkanes
Alkene	I	Alkenes
Alkyne	I	Alkynes
Alkoxide	I	Substitution
Alkyl Group	I	Nomenclature
Alkyl Halide	I	Nomenclature
Allene	I	Alkenes, Stereochemistry
Allyl Groups	I	Resonance
Allylic carbocations	I	Resonance
Allylic Position	I	Resonance
Amino Acid	II	Peptides and Proteins
a-Anomer	II	Sugars (Carbohydrates)
a-Carbon	II	Functional groups
Alpha-helix	II	Peptides and Proteins
Anisotropy	I	NMR Spectroscopy
Amalgam	II	Redox Reactions
Ambident	II	Ketones and Aldehydes
Amide	II	Carboxylic Acid Derivatives
Amine	I	Amines I & II
Amine Oxide	I	Elimination
amu	GEN
Angle Strain	I	Conformational Analysis
Anhydrides	II	Carboxylic Acid Derivatives
Anhydrous	LAB
Anion	GEN
Annealing	II	Nucleic Acids
Anomer	II	Sugars (Carbohydrates)
Anomeric Carbon	II	Sugars (Carbohydrates)
Anomeric Effect	II	Electron Delocalization
Anti	I	Stereochemistry
Anti Addition	I	Electrophilic Addition
Anti-Markovnikov Addition	I	Regiochemistry
Anti-periplanar	I	Newman Projections
Anti-aromaticity	II	Aromaticity
Antibiotic	II	Drugs and Enzymes
Anti-bonding Molecular Orbital	I	Molecular Orbital Theory
Aprotic Solvent	I	Solvents
Aqueous	I	Solvents
Arenium Ion	I	Aromatic Substitution
Arginine	II	Peptides and Proteins
Arrhenius Rate Equation	I	Kinetics vs. Thermodynamics
Aryl or Ar-	I	Nomenclature
Aryl halide	II	Functional Groups
Asparigine (K or Asp)	II	Peptides and Proteins
Aspartic Acid	II	Peptides and Proteins
Asymmetric	I	Stereochemistry
Asymmetric Stretching	I	IR Spectroscopy
Atomic Mass	GEN
Atomic Number	GEN
Atomic Orbital	GEN
Atomic Radius	GEN
ATP (adenosine triphosphate)	II	Nucleic Acids
Avagadro’s Number	GEN
Axial	I	Conformational Analysis
Azeotrope	LAB
Azide	I	Substitution
Aziridine	I	Amines I
Azimuthal Quantum Number	I	Electron Configuration
Azo Coupling	II	Reactions of Benzene
Back-sided Attack	I	Electrophilic Addition, Substitution
Baeyer-Villiger Oxidation	II	Redox Reactions
Banana Bonds	I	Cycloalkanes
Base	I	Acids and Bases
Base-catalyzed	I	Catalysis
Base Pair	II	Nucleic Acids
Bond Dissociation Energy (BDE)	I	Radicals
Bending Mode (IR)	I	IR Spectroscopy
Benzylic Carbocation	I	Carbocations
Benzyl group	I	Nomenclature
Benzylic Position	I	Resonance
Benzyne	II	Reactions of Benzene
ß-anomer	II	Sugars (Carbohydrates)
ß-carbon	I	Elimination, Conjugate addition
ß-Elimination	I	Elimination
Betaine	II	Aldehydes and Ketones
ß-Sheet	II	Peptides and Proteins
Bicyclic	II	Nomenclature
Bimolecular	GEN, I	Elimination, Substitution
Biosynthesis	II	Advanced Synthetic Strategy
Boat Conformation	I	Conformational Analysis
Boiling Point	I	Alkanes
Bond Angle	I	Bonding & Hybridization
Bond Dipole	I	Bonding and Hybridization
Bond length	I	Representing Organic Compounds
Bond Order	GEN
Bond Rotation	I	Conformational Analysis
Bond Stretch	I	IR Spectroscopy
Bond-Line Structure	I	Drawing Organic Structures
Bonding Molecular Orbital	I	Molecular Orbital theory
Borane	I	Electrophilic Addition
Branching	I	Nomenclature
Bridged	I	Polycyclic Compounds
Bromination	I	Electrophilic Addition & Substitution
Bronsted Acid-Base Theory	I	Acids and Bases
Butyl group	I	Nomenclature
Cahn-Ingold-Prelog (C-I-P) Rules	I	Nomenclature
Carbanion	II	Carbanions; Reactive intermediates
Carbocation	I	Carbocations
Carbohydrate	II	Sugars (Carbohydrates)
Carbon NMR	I	NMR Spectroscopy
Carbonyl	II	Ketones and Aldehydes
Carboxylate	II	Carboxylic Acid Derivatives
Carboxylic Acid	II	Carboxylic Acid Derivatives
Carboxylic Acid Derivative	II	Carboxylic Acid Derivatives
Canonical Form	I	Resonance
Catalyst	I	Reaction Coordinate Diagrams
Catalytic Hydrogenation	I	Redox Reactions
Chain Initiation	I	Radicals
Chain Propagation	I	Radicals
Chain Termination	I	Radicals
Chair Conformation	I	Conformational Analysis
Chair Flip	I	Conformational Analysis
Chemical Shift	I	NMR Spectroscopy
Chirality	I	Stereochemistry
Chiral Center	I	Stereochemistry
Chlorination	I,II	Electrophilic Addition
Cholesterol	II	Fats & Lipids
Chromatography	LAB	Lab
Cis	I	Stereochemistry
Claisen Condensation	II	Condensation Reactions
Claisen Rearrangement	II	Pericyclic Reactions
Clemmensen Reduction	II	Redox Reactions
Combustion	I	Alkanes
Concerted Reaction	I	Substitution
Condensation Reactions	II	Condensation Reactions
Condensed Formula	I	Representing Organic Compounds
Configuration	I	Stereochemistry
Configurational Isomer	I	Stereochemistry
Conformation	I	Isomerism
Conformational Isomer	I	Isomerism
Conformer	I	Isomerism
Conjugate Acid	I	Acids and Bases
Conjugate Base	I	Acids and Bases
Conjugation	I	Resonance
Constitutional isomer	I	Isomerism
Coordination Compounds	I	Organotransition Metal Chemistry
Coupling	I	NMR Spectroscopy
Coupling Constant (J)	I	NMR Spectroscopy
Covalent Bond	I	Atoms and Molecules
Crown Ethers	I	Alcohols, Ethers, Epoxides
Cuprate	I,II	Organometallic Compounds
Curved Arrow	I	Arrow pushing and Mechanism
Cycloaddition Reaction	I	Pericyclic Reactions
Cycloalkane	I	Alkanes, Nomenclature
Cyclobutadiene	II	Aromaticity
Cyclooctatetraene	II	Aromaticity
Cyclopentadienyl anion	II	Aromaticity
Cyclopentadienyl cation	II	Aromaticity
Cyclopropane	I	Cycloalkanes
Cyclopropenyl cation	II	Aromaticity
Cysteine	II	Peptides and Proteins
Cystine	II	Peptides and Proteins
Cytosine	II	Nucleic Acids
d (same as (+))	I	Stereochemistry
D	I	Stereochemistry
Dalton	GEN	(an atomic mass unit)
Deactivating Group	II	Reactions of Benzene
Deactivator	II	Reactions of Benzene
Decarboxylation	II	Condensation Reactions
Decomposition	LAB
Degenerate	I	Resonance Structures
Delocalization	I	Resonance Structures
Deoxyribonucleic Acid	II	Nucleic Acids
Deprotection / Deblocking	II	Ketones and Aldehydes
Deprotonate	I	Acids & Bases
DEPT	II	NMR spectroscopy
Deshielded	I	NMR spectroscopy
Desolvation	I	NMR spectroscopy
Destructive Interference	I	NMR spectroscopy
Detergent	II	Fats and Lipids
Detonation	LAB
Deuterium	I	Mass Spectrometry
Dewar Benzene	I	Benzene & Aromatics
Dextrorotatory (D or d or +)	I	Stereochemistry
Dextrose	I	Sugars
Diastereomer	I	Stereochemistry
Diatomic	GEN
Diaxial Interaction	I	Conformational Analysis
Diazonium Cation	II	Reactions of Benzene
Diazonium Salt	II	Reactions of Benzene
Diazotization	II	Reactions of Benzene
DIBAL	II	Redox Reactions
Dichloromethane  (methylene chloride)	LAB	Solvents (Chart)
Dichromate	I	Redox Reactions
Dieckmann Condensation	II	Condensation Reactions
Dielectric Constant	I	Solvents
Diels-Alder Reaction      [4+2] cycloaddition	I	Dienes
Diene	I	Dienes
Dieneophile	I	Dienes
Diethyl ether	I	Solvents
Diffraction	I	Refractive Index
Diffraction Pattern	I	Refractive Index
Dihedral angle	I	Conformational Analysis
Dimer	I	Refractive Index
Dimethylformamide (DMF)	I	Solvents
Dimethyl Sulfide (DMS)	I	Solvents
Dimethyl sulfoxide (DMSO)	I	Solvents
Diol	I	Redox Reactions
Dipeptide	I	Peptides and Proteins
Dipole	I	Bonding and Hybridization
Dipole Moment	GEN
Disproportionation	II	Redox Reactions
Diprotic Acid	GEN
Diradical	II	Alkenes, aromatization
Directing Group	I	Reactions of Benzene
Disaccharide	II	Sugars
Dispersion Force (London Force)	I	Intermolecular Forces
Distillation	LAB
Disubstituted	I	Nomenclature
Disulfide	I	Peptides and Proteins
Disulfide Bridge	I	Peptides and Proteins
Divalent Anions and Cations	I	Formal Charge
Double Bond	I	Alkenes
Double Bond Equivalent (DBE)	I	Index of Unsaturation IU
Double-headed Arrow	I	Arrow Pushing and Mechanism
Double Helix	II	Nucleic Acids
Doublet	I	NMR Spectroscopy
Downfield	I	NMR Spectroscopy
Drug	II	Drugs, Enzymes, and Activation
e	I	Solvents
E (Ger. entgegen)	I	Stereochemistry
E1 Mechanism	I	Elimination
E1 Reaction	I	Elimination
E1CB Mechanism	I	Elimination
E2 Mechanism	I	Elimination
E2 Reaction	I	Elimination
Ea	I	Kinetics vs. Thermodynamics
Early Transition State	I	Kinetics vs. Thermodynamics
Eclipsed	I	Conformational Analysis
%ee (enantiomeric excess)	I	Stereochemistry
Election Configuration	I	Electron Configuration
Electron Delocalization	I	Resonance; Conjugation
Electron Donating Group	I	Dienes
Electron Pair Repulsion	I	Structure and Bonding
Electron-Sea (Sea of Electrons) Model	I	Special Topic
Electron Withdrawing Group (EWG)	I	Dienes
Electronegative	GEN
Electronegativity	GEN
Electroneutral	GEN
Electrophile	I	Reactions
Electrophilic Addition Reaction	I	Alkenes
Electrophilic Aromatic Substitution	II	Reactions of Benzene
Electropositive	GEN
Elimination Reaction	I	Eliminations
Emulsion	II, LAB	Fats and Lipids
Enamine	II	Ketones and Aldehydes
Enantiomeric Excess	I	Stereochemistry
Enantiomer	I	Stereochemistry
Endergonic	I	Kinetics vs. Thermodynamics
Endothermic	I	Kinetics vs. Thermodynamics
Energy Profile or Reaction Coordinate	I	Kinetics vs. Thermodynamics
Enol	I	Isomers, Tautomerization
Enolate	II	Reactions at the alpha-Carbon
Enolization	II	Reactions at the alpha-Carbon
Enone	II	Enones and Enoates
Enthalpy of Combustion	I	Kinetics vs. Thermodynamics
Enthalpy of Formation	I	Kinetics vs. Thermodynamics
Enthalpy of Hydrogenation	I	Kinetics vs. Thermodynamics
Enzyme	II	Kinetics vs. Thermodynamics
Epoxide	I	Alcohols, ethers epoxides
Equation of State	GEN
Equilibrium	GEN
Equilibrium Constant	GEN
Equatorial	I	Conformational analysis
Equivalent	I	Lab
Ester	II	Carboxylic Acid Derivatives
Et- (Ethyl)	I	Nomenclature
Ether	I	Alcohols, Ethers, Epoxides
Ethyl acetate	I	Solvents
Ethyl ether	I	Solvents
Ethyne (acetylene)	I	Alkynes
Evaporation	GEN	Lab; aka Vaporization
Excess Reagent (“xs“)	I	Alkynes, Lab
Excited State	I	Molecular Orbital Theory
Exergonic	I	Kinetics vs. Thermodynamics
Exothermic	I	Kinetics vs. Thermodynamics
Expanded Octet	I	Trends in the Periodic Table
Extinction Coefficient	I	Spectroscopy
Fatty Acid	II	Fats and Lipids
Fingerprint Region	I	IR Spectroscopy
First Order Coupling	I	NMR Spectroscopy
First Order Splitting	I	NMR Spectroscopy
Fischer Esterification	II	Carboxylic Acid Derivatives
Fischer Projection	I,II	Sugars, Stereochemistry
Five Zone Analysis	II	Drug Formulation Medicinal Chem.
Fluorination	II	Reactions of Benzene
Formal Charge	I	Bonding and Hybridization
Fractional Distillation	LAB
Fragment Ion (formerly “Daughter” ion)	I	Mass Spectrometry
Fragmentation	I	Mass Spectrometry
Free Radical	I	Radical Reactions
Friedel-Crafts Acylation	II	Reactions of Benzene
Friedel-Crafts Alkylation	II	Reactions of Benzene
Front-side Attack	II
Fullerenes	II	Allotropes of Carbon
Functional Group	I	Functional Groups
Fused	II	Polycyclic Ring Systems
Gas Chromatography	LAB	Analytical Chemistry
Gauche	I	Conformational Analysis
GC	LAB	Analytical Chemistry
GC-MS	LAB	Analytical Chemistry
Geminal or (1,1)	I	Nomenclature
Geometric Isomer (obsolete)	I	Isomerism
Gibbs Free Energy	I	Kinetics vs. Thermodynamics
Gibbs-Helmholtz Equation	I	Kinetics vs. Thermodynamics
Gilman Reagent	I	Organometallics
Glucose	II	Sugars
Glutamic Acid	II	Peptides and Proteins
Glutamine	II	Peptides and Proteins
Glycerol	II	Fats and Lipids
Glycine	II	Peptides and Proteins
Glycosidic Bond	II	Sugars (Carbohydrates)
Grignard Reaction	II	Epoxides, Carbonyl Compounds
Grignard Reagent	I	Organometallic
Grob Fragmentation	II	Named Reactions
Ground State	I	Reaction Coordinate Diagrams
Guanine	II	Nucleic Acids
1,2-hydride shift	I	Carbocations; Electorphilic Addition
1H-NMR	I	NMR Spectroscopy
hv	GEN	Energy of a photon (Plank’s constant · wavelength)
H-Bond	I	Intermolecular interactions
Halide	I	Functional Groups
Haloalkane	I	Functional Groups
Haloarene	I	Functional Groups
Halogen	I	Trends in the Periodic Table
Halogenation	I,II	Addition, Substitution
Hammond Postulate	I	Transition State Theory
Hard/Soft Acid/Base Theory (HSAB)	I	Polar Reactions
Haworth Projection (pronounced “hay”+”worth”)	II	Sugars
Heat of Combustion	I	Kinetics vs. Thermodynamics
Heat of Formation	I	Kinetics vs. Thermodynamics
Heat of Hydrogenation	I	Kinetics vs. Thermodynamics
Hemiacetal (hemiketal has obsolesced from IUPAC)	II	Ketones and Aldehydes
Henderson-HasselBalch Equation	GEN	Acids and Bases
Henry’s Law	GEN	Partial Pressures
Hess’s Law	GEN	Heat summation
HETCOR	LAB	Advanced Spectroscopy
Heteroatom	I	Functional Groups
Heterocycle	I	Functional Groups
Heterogeneous	I	Catalysis
Heterolysis	I	Transition State Theory
Heterolytic Bond Cleavage	I	Transition State Theory
Highest Occupied Molecular Orbital (HOMO)	I	Molecular Orbitals
Histidine	II	Peptides and Proteins
HMQC	II	NMR (Advanced)
HOAc (or AcOH) acetic acid	I	Nomenclature, Solvents
Hofmann Degradation	II	Named Reactions, Amines
Hofmann Elimination	II	Named Reactions, Amines
Hofmann’s Rule	I	Elimination
HOMO-LUMO Gap	I	Molecular Orbital Theory
Homogeneous	I	Catalysis
Homolysis	I	Transition State
Homolytic Bond Cleavage	I	Transition State
Hooke’s Law	GEN
Huckel’s Rule	II	Aromaticity
Hybrid Orbital	I	Bonding and Hybridization
Hydration	I	Electrophilic Addition
Hydride	I	Redox Reactions
Hydroboration	I	Electrophilic Addition
Hydroboration-Oxidation Reaction	I	Electrophilic Addition
Hydrolysis	II	Carboxylic Acid Derivatives
Hydronium Ion	I	Acids and Bases
Hydrophilic	GEN	Solvents
Hydrophobic	GEN	Solvents
Hydrophobic Effect	GEN	Solvents
Hygroscopic	LAB
Hyperconjugation	I	Electron Delocalization
I or spin quantum number (±½)	I	Electron Configuration
Imidazole	II	Aromatics
Imine	II	Aldehydes and Ketones
Immiscible	I	Solvents
In silico	GEN	(In glass)
In situ	I	(In the reaction system)
In vitro	I	(In glass)
In vivo	I	(In a living organism)
Indole	II	Aromatics, Alkaloids
Inductive Effect	I	Electron Delocalization
Infrared Spectroscopy	I	IR Spectroscopy
Infrared Spectrum	I	IR Spectroscopy
Inhibitor	II	Radical Reactions
Initiation	I	Radical Reactions
Initiator	I	Radical Reactions
Integration	I	NMR Spectroscopy
Intermediate	I	Reactive Intermediates
Intermolecular	I	Reaction Dynamics
Internal alkene	I	Alkenes
Internal alkyne	I	Alkynes
Intramolecular	I	Reaction Dynamics
Inversion of Configuration	I	Stereochemistry
Iodination	I	Electrophilic Addition & Substitution
Iodoform Reaction	II	Ketones and Aldehydes
Ion	GEN
Ionic Bond	GEN	Bonding and Hybridization
Ionization	I
i-Pr	I	Nomenclature
Ipso and Ipso Substitution	I	Nucleophilic Aromatic Substitution
IR	I	IR Spectroscopy
Isoelectronic	I	Organometallics
Isoleucine	I	Peptides and Proteins
Isomer	I	Isomerism
Isomerization	I	Isomerism
Isotope	I	Mass Spectrometry
IUPAC	I	Nomenclature
Jahn-Teller Effect	I	Advanced Physical
Joule	GEN
Jones Reagent	II	Redox Reactions
Ka	I	Acids and Bases
kcal / kilocalorie or Calorie	I	Equilibrium
kJ / kilojoule	I	Equilibrium
Kekule Structure	I	Representing Organic Compounds
Keq	I	Equilibrium
Keto form	I	Tautomerism/Tautomerization
Ketone	II	Ketones and Aldehydes
Ketose	II	Sugars
Ketoxime	II	Sugars
Kinetic Control	I	Kinetics vs Thermodynamics
l (the opposite of d)	I	Stereochemistry
L- (the opposite of D-)	I	Stereochemistry
Lactam	II	Carboxylic Acid Derivatives
Lactone	II	Carboxylic Acid Derivatives
Late Transition state	I	The Transition State
LDA (lithium diisopropylamide)	II	Ketones and aldehydes
Le Chatelier’s Principle	GEN
Leaving Group	I	Substitution; Elimination
Leucine	II	Peptides and Proteins
Levorotatory	I	Stereochemistry
Lewis Acid-Base	I	Acids and Bases
Lewis Dot Structure	I	Bonding and Hybridization
Lewis Structure	I	Bonding and Hybridization
Ligand	I	Organometallics
Limiting Reagent	LAB
Lipid	II	Fats and Lipids
Lipophilic	II	Fats and Lipids
Lipophobic	II	Fats and Lipids
London disperson Force	I	Intermolecular Forces
Lone Pair	I	Bonding and Hybridization
Long-Range Coupling	I	NMR Spectroscopy
Lowest Unoccupied Molecular Orbital (LUMO)	I	Molecular Orbitals
Lysine	II	Peptides and Proteins
mu (µ)	I	Dipole Moment
M	I	Mass Spectrometry
M+1	I	Mass Spectrometry
M+2	I	Mass Spectrometry
m/z	I	Mass Spectrometry
Main Group Elements	I	Trends in the Periodic Table
Major groove	II	Nucleic Acids
Markovnikov Addition	I	Electrophilic Addition
Markovnikov’s Rule	I	Electrophilic Addition
Mass Spectrum	I	Mass Spectrometry
Mass Spectrometry	I	Mass Spectrometry
McLafferty Rearrangement	I	Mass Spectrometry
mCPBA	I	Redox Reactions
Me-	I	Nomenclature
Mechanism	I	Arrow Pushing and Mechanism
Medicinal Chemistry	II	Medicinal Chemistry
Melting Point	LAB
Mercaptan	I	Sulfur Compounds
Meso Compound	I	Stereochemistry
Mesomerism (see resonance)	I	Stereochemistry
Mesylate	I	Substitution
Meta	I	Reactions of Benzene
Meta Director	II	Reactions of Benzene
Metals and Metalloids	I	Transition Metals
Metabolism	II	Biochemistry
Methanesulfonate	I	Substitution
Methanesulfonic Acid	I	Substitution
Methine Group	I	NMR Spectroscopy
Methionine	II	Peptides and Proteins
Methylene group	I	NRM Spectroscopy
Microscopic Reversibility	I	Rxn Coord Diagrams
Mineral Acid	I	Acids and Bases
Minor Groove	II	Nucleic Acids
Miscible	I	Solvents
Moiety	I	Functional Groups
Mol	Gen
Molar Mass	Gen
Mole	Gen
Molecular Formula	Gen	Alkanes
Molecular Ion	I	Mass Spectrometry
Molecular Model Kit	I	Blog
Molecular Sieve	LAB
Molecular Weight (MW)	GEN
Molozonide	I	Redox reactions
Molecular Orbital (MO)	I	Molecular Orbitals
Monosubstituted	I	Alkenes
Multiplet	I	NMR Spectroscopy
Mutarotation	II	Sugars
N-bromosuccinimide (NBS)	I	Electrophilic Addition, Radicals
N-chlorosuccinimide (NCS)	I	Electrophilic Addition
N-iodosuccinimide (NIS)	I	Radicals
n	I	Nomenclature
n-BuLi	I	Alkanes
n+1 Rule	I	NMR Spectroscopy
4n Rule	II	Aromaticity
4n+2 Rule	II	Aromaticity
NaBH4	I	Redox Reactions
NaH	I	Substitution; Alcohols
Named Reaction	I	Named Reactions
Natural Product     (Organic I, Intro to Synthesis)	II	Other Organic Divisions
Newman Projection	I	Conformational Analysis
Nitration	II	Reactions of Benzene
Nitrile	II	Carboxylic Acid Derivatives
Nitro Compounds	II	Reactions of Benzene
Nitrogen (Walden) Inversion	I	Stereochemistry
Nitrogen Rule	I	Mass Spectrometry
NMR	I	Nuclear Magnetic Resonance
Node	I	Atoms and Orbitals
Nomenclature	I	Nomenclature
Non-first Order Coupling	I	NMR Spectroscopy
Non-first Order Splitting	I	NMR Spectroscopy
Nonaromatic	II	Aromaticity
Non-bonded Electron Pair	I	Mass Spectrometry
Non-decoupled	II	C NMR Spectroscopy
Nonpolar Solvent	II	Solvents
Non-spontaneous Reaction	I	Kinetics vs. Thermodynamics
Nonsuperimposable	I	Chirality
Nu:	I	Reaction Mechanism
Nuclear Spin Flip	I	NMR Spectroscopy
Nucleic Acids	II	Nucleic Acids
Nucleophile	I	Reaction Mechanisms
Nucleophilic Aromatic Substitution	II	Reactions of Benzene II
Nucleophilicity	I	Reaction Mechanism
Nucleoside	II	Nucleic Acids
Nucleotide	II	Nucleic Acids
Octet Rule	I	Bonding and Hybridization
Olefin	I	Alkenes
One Equivalent	LAB
One Molecule Rule	I
Optical Activity	I	Chirality
Optically Inactive	I	Chirality
Organometallic Compound	I	Organotransition metal compounds
Organolithium Reagent	I	The strongest bases
Ortho	II	Reactions of Benzene
Ortho-Para Director	II	Reactions of Benzene
OMs	I	Substitution
OTf	I	Substitution
OTs	I	Substitution
Oxaphosphetaine	II	Ketones & Aldehydes)
Oxidant	I,II	Redox Reactions
Oxidation	I,II	Electrophilic Addition
Oxime	II	Ketones and Aldehydes
Oxonium Ion	II	Ketones and Aldehydes
Oxyanion	I	Substitution
Ozone	I	Redox Reactions
Ozonolysis (Harries Reaction)	I	Redox Reactions
Pi (p) bond	I	Bonding and Hybridization
pi (p) orbital	I	Bonding and Hybridization
pi* (p*) orbital	I	Bonding and Hybridization
p orbital	I	Bonding and Hybridization
Para	II	Reactions of Benzene
Paraffin	I	Alkanes
Pentet	I	NMR Spectroscopy
Peptide	II	Peptides and Proteins
Peptide Bond	II	Peptides and Proteins
Peracetic Acid	I	Redox Reactions
Peracid	I	Redox Reactions
Percent Yield	LAB
Permanganate	I	Redox Reactions
Peroxide	I	Radical Reactions
pH	I	Acids and Bases
pKa	I	Acids and Bases
Pharmacology	II	Drugs and Enzymes
Phenol     (Organic II, Reactions of Benzene)	II	Reactions of Benzene
Phenyl Group (Ph-)	I	Nomenclature
Phenylalanine	II	Peptides and Proteins
Phospholipid	II	Fats and Lipids
Phosphodiester	II	Nucleic Acids
Photochemistry	II	Pericyclic Reactions
Photolysis	II	Radical Reactions
Photon	Gen
pi-cation interaction	II	Secondary Spatial Effects
pi stacking	II	Secondary Spatial Effects
piperidine	II	Heterocycles
pKa	I	Acids and Bases
pKb	I	Acids and Bases
Plane Polarized Light	I	Chirality
Polar Covalent Bond	I	Bonding and Hybridization
Polar Solvent	I	Solvents
Polarimetry	I	Chirality
Polarizability	GEN
Polypeptide	II	Peptides and Proteins
Polysaccharide	II	Sugars
Potential Energy	I	Kinetics and Thermodynamics
ppm	I	NMR Spectroscopy
Pr- (propyl substituent)	I	Nomenclature
Precipitation	LAB
Primary	I	Classifying Carbons
Prodrug	II	Drugs and Enzymes
Product	I	Mechanism
Proline	II	Peptides and Proteins
Propagation	I	Radical Reactions
Progargyl Position	I	Resonance
Protection	I	Ketones and aldehydes
Protecting Groups	II	Protecting Groups
Protein	II	Peptides and Proteins
Protic Solvent	I	Solvents
Proton	I	Atoms and Molecules
Proton NMR	I	NMR Spectroscopy
Protonate	I	Catalysis
p-Toluenesulfonate	I	Substitution/Elimination
p-TsCl	I	Substitution/Elimination
p-TsOH	I	Substitution/Elimination
Purine	II	Nucleic Acids
Pyran	II	Alcohols, Ethers & Epoxides
Pyridine	II	Aromatics
Pyrimidine	II	Nucleic Acids
Pyrrole	II	Aromatics
Pyrrolidine	II	Aromatics
Quantum Mechanics	I	Electron Configuration
Quantum Numbers	I	Electron Configuration
Quartet	I	NMR Spectroscopy
Quaternary Carbon	I	Classifying Carbon
Quaternary Structure	I	Peptides & Proteins
Quintet	I	NMR Spectroscopy
R  = Universal Descriptor	I	Nomenclature
R Group	I	Nomenclature
Racemic	I	Stereochemistry
Racemic Mixture (or racemate)	I	Stereochemistry
Radical or Free Radical	I	Radicals
Radical Cation	I	Mass Spectrometry
Rate-Determining Step Or Rate-Limiting Step	I	Rxn Coord Diagrams
Reactant	I	Mechanism
Reaction Coordinate	I	Rxn Coord Diagrams
Reaction Mechanism	I	Mechanism
Reaction Product	I	Organic Reactions
Reactive Intermediates	I	Carbocations
Reactivity-Selectivity Principle	I	Kinetics & Thermodynamics
Rearrangement Reactions	I, II	Carbocations
Reducing Agent or Reductant	I	Redox Reactions
Reduction Reaction	I	Redox Reactions
Regioselectivity	I	Regiochemistry
Resolution	I	Separation Methods
Resonance	I	Resonance I
Resonance Contributor	I	Resonance I
Resonance Form (Prioritizing)	I	Resonance I
Retroaldol	II	Ketones & Aldehydes
Retro Diels-Alder	I	Dienes
Retrosynthesis	I	Intro to Synthesis
Ribonucleic Acid	II	Nucleic Acids
Ribose	II	Nucleic Acids
Ring Flip	I	Conformational Analysis
Ring Strain	I	Conformational Analysis
RNA	II	Nucleic Acids
sigma bond	I	Bonding and Hybridization
s orbital	I	Bonding and Hybridization
s* orbital	I	Bonding and Hybridization
S	I	Stereochemistry
s-cis	I	Dienes
s-BuLi	II	Carbon Bases
s-Trans	I	Dienes
Sanger’s Reagent	II	Nucleic Acid (Sequencing)
Saponification	II	Carboxylic Acid Derivatives
Saturated	I	Alkanes
Sawhorse Projection	I	Representing Organic Compounds
Saytseff’s Rule (Zaitzev)	I	Elimination
Schiff Base	II	Ketones and Aldehydes
sec-butyl group	I	Nomenclature
Secondary Structure	II	Peptides and Proteins
Serine	II	Peptides and Proteins
Sextet	I	NMR Spectroscopy
Side Chain	I	Nomenclature
Shielded	I	NMR Spectroscopy
Single bond	I	Bonding and Hybridization
Singlet	I	NMR Spectroscopy
Skeletal Formula	I	Representing Organic Compounds
SN1 Mechanism	I	Substitution
SN2 Mechanism	I	Substitution
Sodium Borohydride (NaBH4)	I	Redox Reactions
Sodium Hydride	I	Bases
Solubility	I	Solvents
Solute	I	Solvents
Solvent	I	Solvents
Solvent Cage	I	Solvents
Solvolysis	I	SN1 and E1
sp orbital	I	Hybridization
sp2 orbital	I	Hybridization
sp3 orbital	I	Hybridization
Space-Filling Model	I	Representing Organic Compounds
Specific Rotation	I	Chirality
Spectrometry	I	Structural Elucidation
Spectroscopy	I	Structural Elucidation
Spin Quantum Number	I	Electron Configuration
Spin-Spin Coupling	I	Spectroscopy
Spirocyclic	II	Polycyclic rings systems
Splitting (of Peaks)	I	NMR Spectroscopy
Spontaneous Change	I	Thermodynamics
Squiggly Line	I	Representing organic compounds
Staggered	I	Newman Projections
Starting Material	I	Reactions
Stereocenter	I	Chirality
Stereochemistry	I	Stereochemistry
Stereoselective	I	Chirality
Stereospecific	I	Stereochemistry
Steric Effect	I	Stereoelectronics
Steric Hindrance	I	Conformational Analysis
Steric Number	I	Conformational Analysis
Steric Strain	I	Conformational Analysis
Steroid	II	Lipids and Fats
Stoichiometry	GEN
Stretching Frequency	I	IR Spectroscopy
Sublimation	GEN	(s) à (g)
Substituent	I	Nomenclature
Substitution Reaction	I	Classes of reaction
Substrate	I	Mechanism
Sucrose	II	Sugars
Suicide Inhibitor	II	Drugs, Enzymes, & Kinetics
Sulfide	I	Functional Groups
Sulfonamide	II	Functional Groups
Sulfonate	I	Functional Groups
Sulfonate Anion	I	Functional Groups
Sulfonate Ester	I	Functional Groups
Sulfonation	II	Reactions of Benzene
Sulfone	I	Functional Groups
Sulfonic Acid	II	Functional Groups
Sulfonyl Chloride (thienyl chloride)	II	Substitution
Sulfoxide	I	Functional Groups
Superimposable	I	Chirality
Suspension	GEN
Symmetric Stretching	I	IR spectroscopy
Syn	I	Modes of Addition
syn addition	I	Modes of Addition
Syn-periplanar	I	Dihedral geometry
Synthesis	I	Chemical Synthesis
t-BuLi	II	Strongest base you can buy
Tautomer	I	Tautomerization
Tautomerization	I	Tautomerization
t-Bu	I	Ter-butyl
t-BuOH	I	t-butyl alcohol
Terminal alkene	I	Alkenes
Terminal alkyne	I	Alkynes
Termination	I	Radical Reactions
Termolecular	I	Electrophilic Addition
Tertiary	I	Classifying carbon
Tetrahedral Carbon	I	Classifying carbon
Tetrahedral Intermediate	I	Carboxylic Acid Derivatives
Tetrahydrofuran (THF)	I	Solvents
Tetramethylsilane (TMS)	I	NMR Spectroscopy
Tetrasubstituted	I	Alkene stability
Theoretical Yield	GEN	Lab
Thermodynamic Control	I	Kinetics vs. Thermodynamics
Thioester	I	Functional Groups
Thioether	I	Functional Groups
Thiol	I	Functional Groups
Thiolate	I	Functional Groups
Thiophene	I	Heterocycles
Threonine	II	Peptides and Proteins
Thymine	II	Nucleic Acids
Titration	I	Acids and Bases
Toluene	I	Aromaticity
Torsional Strain	I	Conformational Analysis
Tosylate	I	Substitution
trans	I	Stereochemistry
Transesterification	II	Carboxylic Acid Derivatives
Transition Metals	II	Organometallics
Transition State	I	Reaction Mechanism
Tricyclic	I	Polycyclic compounds
Triflate	I	Super Leaving groups
Triflic Acid	I	Substitution
Triglyceride	II	Fats and Lipids
Triose	II	Sugars
Triple Bond	I	Alkynes
Triplet	I	NMR Spectroscopy
Triplet of doublets	I	NMR Spectroscopy
Trisubstituted	I	Alkenes
Tritium 3H	I	Mass Spectrometry
Tryptophan	II	Peptides and Proteins
Two-Dimensional NMR	II	NMR spectroscopy
Tyrosine	I	Peptides and Proteins
Unimolecular	I	Kinetics
Unsaturated	I	Fats and Lipids
Upfield	I	NMR Spectroscopy
Uracil	II	Nucleic Acids
Valence	I	Trends in the Periodic Table
Valence Bond Theory	I	Theory
Valence Electron	I	Electron Configuration
Valence Shell	I	Electron Configuration
Valine	I	Peptides and Proteins
Van der Waals Forces	I	Intermolecular Interactions
Van’t Hoff Rule	I	Stereochemistry
Vapor Pressure	LAB
Vaporization	GEN
Vicinal	I	Nomenclature
Vinyl group	I	Nomenclature
Vinylic Position	I	Nomenclature
Vitamin	II	Enzymes and Co-factors
VSEPR	GEN
Walden Inversion	I	Stereochemistry
Watson-Crick Base Pair	II	Nucleic Acids
Wavenumber (cm-1)	I	IR Spectroscopy
Wavy Line	I	Representing Organic Compounds
Wedge	I	Representing Organic Compounds
Williamson Ether Synthesis	I	Named Reactions
Wittig Reaction	II	Ketones and Aldehydes
Wolff-Kischner Reduction	II	Redox Reactions
% Percent Yield	LAB
Ylide (or ylid)	II	Ketones and Aldehydes
Z (Ger. Zussamen)	I	Stereochemistry
Zaitsev’s Rule	I	Elimination
Zig-Zag Structure (see line-angle)	I	Drawing Organic Structures
Zwitterion (‘w’ pronounced as ‘v’)	II	Peptides and Proteins

 

 

 

Organic-ese Organic Chemistry

 

Glossary

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