
Heterocycles p. 755 - 758 (1987)
Update date:2022-07-30
Topics:
Yamamoto, Makoto
Suenaga, Tsuyoshi
Suzuki, Kzuya
Naruchi, Kiyoshi
Yamada, Kazutoshi
1,3-Dipolar cycloaddition of nitrile oxides and nitrones with 2-methylene-1,3-dithiane gave 5-substituted isoxazolines and isoxazolidines in good yield.But treatment with mercuric chloride or NBS isoxazolidine (12) was converted to corresponding lactone (
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