Novel AlCl<sub>3</sub>catalysed syntheses of naturally occurring (±) 8-hydroxy-3-methyl-3,4-dihydroisocoumarins
作者:Raghao S. Mali、Prakash G. Jagtap、Shrikant R. Patil、Prakash N. Pawar
DOI:10.1039/c39920000883
日期:——
Treatment of (±) 3-ethylphthalides 2 or 2-(prop-1-enyl)benzoic acids 5 with AlCl3 in methylene chloride gives naturally occuring (±) 8-hydroxy-3-methyl-3,4-dihydroisocoumarins 3 in high yields.
用 AlCl3 在二氯甲烷中处理(±) 3-乙基邻苯二甲酸 2 或 2-(丙-1-烯基)苯甲酸 5,可以高产率地得到天然的(±) 8-羟基-3-甲基-3,4-二氢异香豆素 3。