Illustrated Glossary of Organic Chemistry

Neopentyl group: A hydrocarbon group containing a quaternary carbon bonded to three methyl groups and one methylene group; (CH3)3CCH2-.






General neopentyl group structure.
  
Neopentane
IUPAC name 2,2-dimethylpropane
  
Neopentyl bromide
IUPAC name 2,2-dimethyl-1-bromopropane