Chemistry Letters p. 1353 - 1356 (1982)
Update date:2022-08-03
Topics:
Tsuge, Otohiko
Tanaka, Minoru
Shimoharada, Hiroshi
Kanemasa, Shuji
Reactions of 3-substituted 2-methylenebenzothiazolines, generated in situ from the corresponding 2-methylbenzothiazolium salts and triethylamine, with 3-(2,3-diphenyl-2-cyclopropenylidene)pentane-2,4-dione give 3a,9-dihydrocyclopenta<1,4>benzothiazine derivatives.
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