Bulletin of the Chemical Society of Japan p. 668 - 673 (1992)
Update date:2022-07-29
Topics:
Yonemoto, Katsumi
Honda, Kazumasa
Shibuya, Isao
Taguchi, Yoichi
Tsuchiya, Tohru
Yasumoto, Masahiko
The ring expansion reactions of 1,3-oxathiolium salts (1) using NaN3 and an I2-aq NH3 system resulted exclusively in the formatiom of 1,4,2-oxathiazines (3) by incorporation of a nitrogen atom into the C-O bond in 1.On the other hand, the reaction of 1 wi
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