Salts or
esters of carbamic acid,
H2NC(=O)OH,
or of
N-substituted carbamic acids
R2NC(=O)OR',
(
R'
= hydrocarbyl or a
cation). The
esters are often called
urethanes or urethans, a usage that is strictly correct only for the ethyl
esters.
Source:
PAC, 1995, 67, 1307
(Glossary of class names of organic compounds and reactivity intermediates based on
structure (IUPAC Recommendations 1995))
on page 1323
