agent in aqueous solution. The results indicate that the quinones derived from catechols, participate in Michael addition reactions with 4-hydroxycoumarin to form the 6H-benzofuro[3,2-c][1]benzopyran-6-one derivatives.
在水溶液中存在作为氧化剂的铁氰化钾的情况下,已经研究了原位生成的邻苯并醌与4-羟基香豆素作为亲核试剂的偶联。结果表明,衍生自邻苯二酚的醌参与与4-羟基香豆素的迈克尔加成反应,形成6 H-苯并呋喃[3,2- c ] [1]苯并吡喃-6-衍生物。