Irradiation of 5-methyl-2-(α-methylalkenoyl)-1,4-benzoquinones in alcohol under anaerobic conditions gave the two isomers of chromone derivatives being isomerization products of the quinones. Besides them other two adducts were produced. The mechanism of formation of these products is discussed.
5-甲基-2-(α-甲基链烯酰基)-1,4-苯醌在无氧条件下在醇中的辐照得到作为醌异构化产物的
色酮衍
生物的两种异构体。除了它们之外,还产生了另外两种加合物。讨论了这些产物的形成机制。