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Darstellung von α‐Aminohydrazonen mit Triphenyl(β‐phenylhydrazono)phosphoran
Author(s) -
Gnichtel Horst,
Sinell Martin
Publication year - 1988
Publication title -
liebigs annalen der chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 0170-2041
DOI - 10.1002/jlac.198819880920
Subject(s) - phosphorane , chemistry , phenylhydrazine , medicinal chemistry , hydrazone , polymer chemistry , organic chemistry
Preparation of α‐Amino Hydrazones with Triphenyl(β‐phenyl‐hydrazono)phosphorane By reaction of the α‐anilinophenones 1a und 1b with triphenyl (β‐phenylhydrazono)phosphorane, the ( Z ) hydrazones ( Z )‐ 2 are obtained. However, with phenylhydrazine under proton catalysis, the ( E ) isomers ( E )‐ 2 are formed.