Regioselective Synthesis of 1-Alkyl-1-phenylhydrazines, 2-Alkyl-1-phenylhydrazines, and 1,2-Dialkyl-1-phenylhydrazines

Article abstract of DOI:10.1055/s-1990-26885

1,2- and 1,1-disubstituted and 1,1,2-trisubstituted hydrazines are obtained by reaction of (2-phenylhydrazino)triphenylphosphonium bromide with butyllithium, followed by addition of alkyl halides and alkaline hydrolysis.