Vinyltriphenylphosphonium salt-mediated new synthesis of functionalized maleimides

Authors
Yavari, I Asghari, S Esmaili, AA
Citation
I. Yavari et al., Vinyltriphenylphosphonium salt-mediated new synthesis of functionalized maleimides, J CHEM R-S, (3), 1999, pp. 234-235
Citations number
6
Categorie Soggetti
Chemistry
Journal title
JOURNAL OF CHEMICAL RESEARCH-S
ISSN journal
03082342 → ACNP
Issue
3
Year of publication
1999
Pages
234 - 235
Database
ISI
SICI code
0308-2342(199903):3<234:VSNSOF>2.0.ZU;2-Y
Abstract
N-Methyl-2-chloroacetoacetamide undergoes a complex reaction with dialkyl a cetylenedicarboxylates and triphenylphosphine to produce dialkyl 2-(N-methy l-2-chloroacetoacetamide-2-yl)-3- (triphenylphosphoranylidene)-butanedioate s, which undergo elimination-cyclization reactions to produce N-methyl-4-ac etyl-3 (alkoxycarbonyltriphenylphosphoranylide)-maleimides.