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

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

Publisher: John Wiley and Sons
Year: 2006
Weight: 25 KB
Volume: 37
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.200630119

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✦ Synopsis

Abstract

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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 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 102 KB

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