Thiols: one word R1-SH
1) long-alkyl root = R1-
suffix –thiol
e.g CH3(CH2)3SH ̃
1-butanethiol
Sulphides:
one
word R1-S-R2
a) short alkyl chain = R2 + thio
b) long-alkane root = R1
e.g CH3SC2H5 ̃ methylthioethane
(or ethyl
methyl sulphide)
(N.B. –SH is also
referred to as the mercapto
group. Skunk scent is
butyl mercaptan )