在相转移条件下合成了增产胺，产率达９４％。田间实验表明，增产胺对大豆具有增加光合作用，促进生长，增花增英，大幅度提高单产的作用。大豆亩产......

An efficient greener one pot synthesis of dimethyl-dihydro-7H-chromeno[3, 2-h]quinolin-8(9H)-one derivatives has been sy......