反应详情

By the procedure of Example 27, 17 g (64.5 mmol) of 2-(tert-butylamino)-4-trifluoromethyl-5-oxazolecarboxylic acid, 67 ml thionyl chloride and 4 of drops dimethylformamide were reacted together. The product was separated and then distilled to yield 17.2 g of a yellow solid product (m.p.=52°-60° C.; b.p. 70° C. @ 0.25 mm Hg) identified in Table I.

1. customThe product was separated
2. distillationdistilled