Common Names of Substituents

Most Frequently Used Common Names for Substituents.

Acyclic Hydrocarbons

molecule
Isopropyl
Isobutyl
sec-Butyl

tert-Butyl
Isopentyl

Neopentyl

tert-Pentyl

Vinyl
Allyl

-CH₂- or H₂C=
Methylene
Ethylene

Substituents Containing a Benzene Ring

C₆H₅-
Phenyl -C₆H₄-
Phenylene C₆H₅-CH₂-
Benzyl

C₆H₅-CH=
Benzylidene C₆H₅-CH=CH-
Styryl C₆H₅-CH=CH-CH₂-
Cinnamyl

(C₆H₅)₂CH-
Benzhydryl (C₆H₅)₃C-
Trityl

CH₃-C₆H₄-
Tolyl 2,4,6-(CH₃)₃C₆H₂-
Mesityl C₆H₅-O-
Phenoxy

C₆H₅-NH-
Anilino CH₃-C₆H₄--NH-
Toluidino

Polycyclic Hydrocarbons

molecule
Adamantyl
Anthryl
Naphthyl

Heterocycles

Furyl
Pyridyl

Sulfur Compounds

CH₃SO₂-
Mesyl
Tosyl

Nitrogen Containing

Carbazono
Guanidino H₂N-NH-
Hydrazino

Semicarbazido

Acyclic Hydrocarbons
Isopropyl	Isobutyl	sec-Butyl
tert-Butyl	Isopentyl	Neopentyl
tert-Pentyl	Vinyl	Allyl
-CH₂- or H₂C= Methylene	Ethylene
Substituents Containing a Benzene Ring
C₆H₅- Phenyl	-C₆H₄- Phenylene	C₆H₅-CH₂- Benzyl
C₆H₅-CH= Benzylidene	C₆H₅-CH=CH- Styryl	C₆H₅-CH=CH-CH₂- Cinnamyl
(C₆H₅)₂CH- Benzhydryl	(C₆H₅)₃C- Trityl
CH₃-C₆H₄- Tolyl	2,4,6-(CH₃)₃C₆H₂- Mesityl	C₆H₅-O- Phenoxy
C₆H₅-NH- Anilino	CH₃-C₆H₄--NH- Toluidino
Polycyclic Hydrocarbons
Adamantyl	Anthryl	Naphthyl
Heterocycles
Furyl	Pyridyl
Sulfur Compounds
CH₃SO₂- Mesyl	Tosyl
Nitrogen Containing
Carbazono	Guanidino	H₂N-NH- Hydrazino
Semicarbazido