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A simple method for synthesis of 5-CF3 substituted dienamides via rearrangement of 2H-pyran derivatives

✍ Scribed by Xiao-Wei Wang; Peng Li; Hua Xiao; Shi-Zheng Zhu; Gang Zhao


Book ID
113928791
Publisher
Elsevier Science
Year
2011
Tongue
French
Weight
425 KB
Volume
67
Category
Article
ISSN
0040-4020

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Treatment of I-alkyne and allene derivatives successively with two equiualents of n-Buli, one equivalent of CS2 and then an electrophile yielded novel 5-substituted-thiophene-2 (3H)-thiones I.