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ChemInform Abstract: Three-Component Reaction of Triphenylphosphine, Dialkyl Acetylenedicarboxylate, and 2-Aminothiazole or 2-Aminobenzothiazole in the Presence of Arylglyoxals: An Efficient One-Pot Synthesis of Highly Functionalized Pyrroles.

✍ Scribed by Mohammad Anary-Abbasinejad; Hamidreza Deghanpour Farashah; Alireza Hassanabadi; Hossein Anaraki-Ardakani; Nasim Shams

Book ID: 115553875
Publisher: John Wiley and Sons
Year: 2012
Weight: 29 KB
Volume: 43
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.201243122

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## Abstract An effective route to functionalized 2__H__‐chromene (=2__H__‐1‐benzopyran) derivatives 4 is described (__Scheme 1__). This involves the reaction of a 1,1‐diactivated alkene, resulting from the reaction of dimedone (=5,5‐dimethylcyclohexane‐1,3‐dione; 1a) with methyl chloroglyoxylate (C