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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 41, 2011 - Issue 18
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Original Articles

Samarium Triflate–Catalyzed Biginelli Condensation: An Improved Method for the Synthesis of 3,4-Dihydropyrimidin-2(1H)-ones

A. Venkat NarsaiahOrganic Chemistry Division, Indian Institute of Chemical Technology, Hyderabad, India
,
A. Ramesh ReddyOrganic Chemistry Division, Indian Institute of Chemical Technology, Hyderabad, India
&
J. S. YadavOrganic Chemistry Division, Indian Institute of Chemical Technology, Hyderabad, India
Pages 2794-2799 | Received 29 Apr 2010, Published online: 29 Jun 2011
 
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Abstract

A simple and efficient method for multicomponant synthesis of 3,4-dihydropyrimidinones has been reported. All the reactions were carried out using samarium triflate as catalyst (10 mol%) at acetonitrile reflux. This procedure is applicable to a variety of substrates such as aliphatic, aromatic, and heterocyclic aldehydes.

Graphical Abstract

ACKNOWLEDGMENT

A. R. R. is thankful to the Council of Scientific and Industrial Research, New Delhi, for providing a fellowship.

Notes

aAll the products were characterized by 1HNMR, IR, and mass spectroscopy.

bYields were isolated and unoptimized.

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