✦ LIBER ✦

Cyclocondensation of amidines with dimethyl acetylenedicarboxylate: A convenient entry into tetramic acids

✍ Scribed by Ihsan Erden; Galip Ozer; Christophe Hoarau; Weiguo Cao

Publisher: Journal of Heterocyclic Chemistry
Year: 2006
Tongue: English
Weight: 102 KB
Volume: 43
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.5570430220

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✦ Synopsis

Amidines undergo cyclocondensations with dimethyl acetylenedicarboxylate (DMAD) to give highly functionalized 5-dialkylamino-4-pyrrolin-3-ones. The products are crystalline, highly colored compounds that are uniquely functionalized and represent advanced intermediates in the construction of several other heterocyles, in particular the biologically active tetramic acids. The synthetic transformations of these compounds to tetramic acids are also described.

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Cyclocondensation of Amidines with Dimet

Cyclocondensation of Amidines with Dimethyl Acetylenedicarboxylate: A Convenient Entry into Tetramic Acids.

✍ Ihsan Erden; Galip Ozer; Christophe Hoarau; Weiguo Cao 📂 Article 📅 2006 🏛 John Wiley and Sons ⚖ 25 KB

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