Carbenes
R2C: formed by mono or dialkyl substitution of
methylene
,
H2C:, e.g.
CH3CH2CH: propylidene.
Source: PAC, 1995,
67, 1307. (
Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1314 [
Terms] [
Paper]