Three-Component Reaction between Triphenylphosphine, Dialkyl Acetylenedicarboxylates and N -Acetylarylidenehydrazides

N-acetylarylidenehydrazides undergo a complex addition and cyclisation reaction with dialkyl acetylenedicarboxylates and triphenylphosphine to produce alkyl [2-acetyl-5-(aryl)-3-oxo-2,3-dihydro-1 H-pyrazol-4-yl]-(triphenyl-λ 5 -phosphanylidene) acetates in good yields.

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Bibliographic Details
Published in:Journal of chemical research 2014-01, Vol.38 (1), p.21-23
Main Authors: Hassanabadi, Alireza, Hosseini-Tabatabaei, Mohammad R, Khandan-Barani, Khatereh
Format: Article
Language:English
Subjects:
Acetates
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Summary:N-acetylarylidenehydrazides undergo a complex addition and cyclisation reaction with dialkyl acetylenedicarboxylates and triphenylphosphine to produce alkyl [2-acetyl-5-(aryl)-3-oxo-2,3-dihydro-1 H-pyrazol-4-yl]-(triphenyl-λ 5 -phosphanylidene) acetates in good yields.
ISSN:1747-5198
2047-6507
DOI:10.3184/174751914X13860945528299