93623-86-0Relevant articles and documents
Facile Preparations of 1,4-(Diphenylmethyleneamino)piperazine-2,5-diones and N-Phenylmethyleneamino-β, γ, and δ-lactams from Benzylidene Hydrazines and α, β, γ and δ-Haloacyl Halides
Okawara, Tadashi,Kato, Rie,Furukawa, Mitsuru
, p. 2426 - 2429 (2007/10/02)
The reaction of benzylidene hydrazines (1) with various haloacyl halides (2) was carried out in aqueous NaOH-CH2Cl2 in the presence of a phase transfer catalyst to afford 1,4-(diphenylmethyleneamino)piperazine-2,5-diones (3) and N-phenylmethyleneamino-β,