Studies on coumarin derivatives. 6,8-Di-tert-butyl-4-phenyl-3,4-dihydrocoumarin (I) was obtained by Pechmann condensations of 2,4-di-tert-butyl-phenol with cinnamic acid in presence of 70% H 2 SO 4 . A series of derivatives of I was prepared
香豆素衍
生物的研究。6,8-二叔丁基-4-苯基-3,4-二氢
香豆素 (I) 是通过 2,4-二-叔丁基-
苯酚与
肉桂酸在 70% H 2 存在下的 Pechmann 缩合获得的SO 4 制备了一系列I的衍
生物