反应详情

7 g (0.023 mole) of 3-tert.-butyl-5-[2-(2,3-epoxypropoxy)-styryl]-isoxazole and 2.7 g (0.047 mole) of cyclopropylamine are reacted by the method described in Example 1. 5.8 g of an oil are obtained; this is dissolved in diethyl ether and precipitated with 2 g of oxalic acid dissolved in a small amount of ethanol. 2.7 g (26% of theory) of colorless crystals are obtained. Melting point 170°-174° C.