Bulletin of the Chemical Society of Japan p. 734 - 738 (1984)
Update date:2022-08-03
Topics:
Yoshida, Hiroshi
Nakajima, Mikito
Ogata, Tsuyoshi
Matsumoto, Kiyoshi
This study treats the reactions of methylthio-, ethylthio-, or benzylthiodiphenylcyclopropenium ion(1) with 5-, 6-, and 7-membered cyclic 1,3-diketones, giving either 2-alkylthio-2H-pyrans or dienone derivatives.Treatment of 1 with 1,3-cyclopentanedione,
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