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Microwave-Assisted Synthesis of 3-Methyl-1-phenylchromeno[4,3-c]pyrazol-4(1H)-ones under Solvent-Free Conditions

✍ Scribed by Xu, Cui-Lian; Yang, Guo-Yu; Yang, Jing-Tian; Wang, Cai-Xia; Fan, Su-Fang; Xie, Pu-Hui

Book ID: 120332672
Publisher: Japan Institute of Heterocyclic Chemistry
Year: 2013
Tongue: English
Weight: 385 KB
Volume: 87
Category: Article
ISSN: 0385-5414
DOI: 10.3987/COM-13-12719

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## Abstract magnified image An efficient microwave‐assisted synthesis of 1‐carboxymethyl‐5‐trifluoromethyl‐5‐hydroxy‐4,5‐dihydro‐1__H__‐pyrazoles from the cyclocondensation reaction between enones [CF~3~C(O)C(R^2^) = C(R^1^)(OR), where R^2^ = H, Me; R^1^ = H, Me, Et, Pr, __i__‐Pr, __t__‐Bu, __i__‐B