C-D C [2+2] Cycloaddition [4+2] Cycloaddition Cahn-Ingold-Prelog Convention Carbanion Carbanion Equivalent Carbene Carbene Equivalent Carbenoid Carbocation Carbocation Rearrangement Carbocycle Carbohydrate Carbonyl Carbon Carbonyl Compound Carbonyl Group Carbonyl Oxygen Carboxylate Ion Carboxylation Carboxylic Acid Carboxylic Acid Anhydride Carboxylic Acid Derivative Carboxylic Acid Ester Carboxylic Acid Ester Group Carboxylic Acid Group Carboxylic Acid Salt Catalytic Hydrogenation Catalytic Reduction Center of Chirality CFC Chair Conformation Chemical Shift Chemical Ionization Chemically Equivalent Ligands Chemoselective Chiral Atom Chiral Center Chiral Molecule Chirality Center Chlorofluorocarbon Chlorohydrin Chromate Ester Chromic Acid CIP Convention Cis-Trans Isomers Claisen Condensation Claisen Rearrangement Clemmensen Reduction Combustion Concerted Reaction Condensation Reaction Configuration Conformation Conformer Conjugate Acid Conjugate Addition Conjugate Base Conjugated Diene Conjugated Double Bond Constitutional Isomers Constitutionally Heterotopic Coordination Number Cope Elimination Cope Reaction Cope Rearrangement Coupling Coupling Constant Coupling Reaction Crossed Aldol Condensation Crossed Aldol Reaction Crossed Claisen Condensation Crosslink Crown Ether C-Terminal Cumulene Curved Arrow Cyano Group Cyanohydrin Cyclic Acetal Cyclic Amide Cyclic Ester Cyclic Ether Cyclic Hemiacetal Cyclic Hemiketal Cyclic Imide Cyclic Ketal Cyclic Ketone Cyclic Manganate Ester Cyclic Osmate Ester Cyclic Periodate Ester Cyclic Thioacetal Cyclic Thioketal Cycloaddition Cycloadduct Cycloalkane Cycloalkene Cycloreversion D 1,1-Diol 1,2-Diol 1,2-Dithiane 1,3-Dithiane 1,4-Dithiane 2,4-Dinitrophenylhydrazone Deactivating Group Decarboxylation Degenerate Rearrangement Degree Of Unsaturation Dehydration Dehydrohalogenation Deprotection Step Deshielded Nucleus Dextrorotatory Dialkylborane Diastereomers Diastereoselective Diastereotopic Diazomethane Diazonium Ion Diazotic Acid DIBAL DIBALH Dieckmann Condensation Dielectric Constant Diels-Alder Adduct Diels-Alder Reaction Diene Dienophile Dihedral Angle Dihydroxylation Diisobutylaluminum Hydride Diisopropylamide Ion Dimerization Diol Dipolar Ion Dipole Moment Diradical Direct Addition Directed Aldol Reaction Disaccharide Disproportionation Dissolving-Metal Reduction Disubstituted Alkene Disulfide Disulfide Group Diterpene Dithiane D,L Convention Downfield