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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 33, Number 12
BKCSDE 33(12)
December 20, 2012 

Very Efficient and Rapid Catalyst-free One-pot Three Component Synthesis of 2,5-Dihydro-5-imino-2-methylfuran-3,4-dicarboxylate Derivatives Under Ultrasound Irradiation
Morteza Rouhani, Ali Ramazani*, Sang Woo Joo*, Younes Hanifehpour
Ultrasound irradiation, Isocyanide, Multicomponent reaction, 2,5-Dihydro-5-imino-2-methylfuran- 3,4-dicarboxylate
We report a fast, efficient, and facile route for the synthesis of 2,5-dihydro-5-imino-2-methylfuran-3,4- dicarboxylate derivatives from the isocyanide, dialkyl acetylenedicarboxylate and acetic anhydride under ultrasound-assisted conditions. Utilization of easy reaction conditions, very high to excellent yields, and short reaction times makes this manipulation potentially very useful.
4127 - 4130
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