Journal of Organic Chemistry p. 4567 - 4571 (1983)
Update date:2022-08-04
Topics:
Taylor, Edward C.
Clemens, Robert J.
Davies, Huw M. L.
Dehydrohalogenation of (α-haloacyl)hydrazones of benzophenone gives 1-(diphenylmethylene)-3-oxo-1,2-diazetidinium inner salts (2,5,6), which are hydrolyzed with 1 molar equiv of p-toluenesulfonic acid monohydrate in CH2Cl2 to give 3-oxo-1,2-diazetidinium
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