Organic Chemistry

Memorizing Functional Groups

Chemical class

Group

Formula

GraphicalFormula

Prefix

Suffix

Example

Sulfone

97

Sulfonyl

98

RSO

R’ 2

sulfonyl-

di(

substituent

) sulfone

Dimethyl sulfone(Methylsulfonylmethane

99 )

Sulfonic acid

100

Sulfo

RSO

H 3

sulfo-

substituent

sulfonic acid

Benzenesulfonic acid

Sulfoxide

101

Sulfinyl

102

RSOR’

sulfinyl-

di(

substituent

)sulfoxide

Diphenyl sulfoxide

Thiol

103

Sulfhydryl

104

RSH

mercapto-, sulfanyl-

-thiol

Ethanethiol

105

(Ethyl mercaptan)

97 Chapter

131.18

on page

433

98

https://en.wikibooks.org/wiki/Sulfone

99

https://en.wikipedia.org/wiki/Methylsulfonylmethane

100 Chapter

131.18

on page

433

101 Chapter

131.18

on page

433

102

https://en.wikibooks.org/wiki/Sulfoxide

103 Chapter

131.19

on page

434

104

https://en.wikibooks.org/wiki/Thiol

105

https://en.wikipedia.org/wiki/Ethanethiol