ORGANIC CHEMISTRY-SOME BASIC PRINCIPLES AND TECHNIQUES

organic functional groups
Chemical class
Group
Formula
Prefix
Suffix
R−OH
hydroxy-
-ol
R−CH3
methyl- (similarly for higher alkyl substituents: ethyl, propyl, butyl, etc.)

R−CH=CH−R'
convert the part substituting for alk in the name of the alkaneinto the alk of the word alkene: ethane/ethene,propane/propene, butane/butene, etc.
-ene
R−C≡C−R'
convert the part substituting for alk in the name of the alkaneinto the alk of the word alkyne: ethane/ethyne,propane/propyne, butane/butyne, etc.
-yne
Amide
R−C(=O)N(−H)−R'
name according to the parent amine and acid, respectively:alkyl alkanamide

Amines
primary Amine
R−NH2
amino-
-amine
secondary Amine
R−N(−H)−R'
amino-
-amine
tertiary Amine
R−N(−R')−R
amino-
-amine
Azo
R-N=N-R'


 
R−C≡N
alkyl nitrile

 
Pyridyl
R−C5H4N


R−C(=O)OH
non-ionized
R−C(=O)O
ionized
hydrocarboxy-
-oic acid
R−C(=O)H

-al
R−C(=O)−R'
keto-
-one
Imines
primary Imine
R−C(=NH)−R'
imino-
-imine
secondary Imine
R−C(−H)=N−R'
imino-
-imine
Ether
R−O−R'
named according to the parent alcohols, respectively:alkylalkylether

Ester
R−C(=O)O−R'
named according to the parent alcohol and acid, respectively:alkyl alkanoate

Halogens
F,Cl,Br,etc.


Isocyanates
R−N=C=O
alkyl isocyanate

R−N=C=S
alkyl isothiocyanate

Phenyl
R−C6H5


Benzyl
R−CH2−C6H5
benzyl

 
R−OP(=O)2O−R'


R−SH

-thiol
 
R−S−R'