Heterocycles, 87, 115-123.

Cyclocondensation Reaction of Mesoionic

4-Trifluoroacetyl-1,3-oxazolium-5-olates with

Hydroxylamine Affording 6-Trifluoromethyl-5,6-

dihydro-4H-1,2,4-oxadiazin-6-ols.

（査読付）
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