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Letters in Organic Chemistry

Editor-in-Chief

ISSN (Print): 1570-1786
ISSN (Online): 1875-6255

Research Article

One-Pot Synthesis of Biscoumarin and Dihydropyrano[c]chromene Derivatives in the Presence of Organocatalysts under Solvent-Free Conditions

Author(s): Reza Heydari and Fahimeh Shahrekipour

Volume 13, Issue 6, 2016

Page: [400 - 405] Pages: 6

DOI: 10.2174/1570178613666160728122122

Price: $65

Abstract

A simple and efficient synthesis of biscoumarin and dihydropyrano[c]chromene derivatives using catalytic amounts of imidazole or isoquinoline as organocatalyst under solvent-free conditions is reported. The present procedure offers advantages such as high to excellent yields, short reaction times, inexpensive operation, solvent-free conditions, reduced environmental consequences and simple workup.

Keywords: Dihydropyrano[c]chromene, biscoumarin, organocatalyst, imidazole, isoquinoline, multicomponent reaction.

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