吗啉 、 8,9-dichloro-6-(3-phenylprop-2(E)-enylidene)-1,4-dioxaspiro[4.4]non-8-en-7-one 在
甲醇 作用下,
生成
(6Z)-8-chloro-9-morpholino-6-(3-phenyl-2(E)-propen-1-ylidene)-1,4-dioxaspiro[4.4]non-8-en-7-one 、 (6E)-8-chloro-9-morpholino-6-(3-phenyl-2(E)-propen-1-ylidene)-1,4-dioxaspiro[4.4]non-8-en-7-one