8-四氢-5-氧化-4-芳基-7相关论文
Michael Addition Reaction without Catalyst:The Synthesis of 2—Amino—5,6,7,8—tetrahydro—5—oxo—4—aryl—
Aseries of tetrahydrobenzo-[b]-pyran derivative was synthesized by the reaction of arylmethylene malononitrile or arylme......