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Samarium(III)-Catalyzed One-Pot Construction of Coumarins.

✍ Scribed by Sushilkumar S. Bahekar; Devanand B. Shinde


Publisher
John Wiley and Sons
Year
2005
Weight
19 KB
Volume
36
Category
Article
ISSN
0931-7597

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✦ Synopsis


Abstract

For Abstract see ChemInform Abstract in Full Text.


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## Abstract magnified image Various diarylpyrido[3,2‐__c__]coumarins **3a‐l** have been synthesized in one step by reacting 4‐hydroxy coumarins **1a‐d** with Ξ±,β‐unsaturated ketones **2a‐c** in the presence of ammonium acetate and acetic acid under Kroehnke's reaction conditions.