Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/98669
Type: Artigo de periódico
Title: Reaction Of N-(p-tolylsulfonyl)diphenylcyclopropenimine With Pyridinium And Isoquinolinium Ylides
Author: Pilli R.A.
Augusto J.
Rodrigues J.A.R.
Kascheres A.
Abstract: N-(p-Tolylsulfonyl)diphenylcyclopropenimine (2) reacted smoothly with pyridinium N-carbethoxyamide (3) to afford a new ylide (5), in addition to stilbene 4, uracil 6, and pyrimidinone 7. An observed thermal transformation of 5 to 6 and 7 is discussed. Reaction of the cyanocarbethoxy methylides 15a-c with 2 produced the internal salts 16a-c, while the dicarbethoxy, monocarbethoxy, and benzoyl methylides 15d-f gave the pyridine-free cyclics 26, 28, and 29, respectively. The isoquinolinium methylides 31a-c reacted in an analogous fashion, while the N-amides 33a,b afforded cycloadducts 34a,b. A series of reactions used to correlate the structures of the latter is described, including an observed cycloaddition mode for diphenylcyclopropenone (1) with 33a-c which yielded 39, 37, and 42, respectively. © 1983 American Chemical Society.
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0037937934&partnerID=40&md5=cf4035449dee45e673ab4b21ba667d89
Date Issue: 1983
Appears in Collections:Unicamp - Artigos e Outros Documentos

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