Synthesis of 7- (or 6-)hydroxy derivatives of 3,3-dimethyl-3,4-dihydroisoquinoline
作者:Yu. V. Shklyaev、T. S Vshivkova、A. G. Tolstikov
DOI:10.1007/s10593-009-0268-9
日期:2009.3
When treated with cyanoacetic ester in conc. H2SO4 1-(4-hydroxy-3-methoxyphenyl)- and 1-(3-hydroxy-4-methoxyphenyl)-2-methylpropan-1-ol form ethyl 7-hydroxy-6-methoxy-3,3-dimethyl(or 6-hydroxy-7-methoxy- 3,3-dimethyl)-1,2,3,4-tetrahydroisoquinolylidene-1-acetate.
当用氰基乙酸酯浓溶液处理时。H 2 SO 4 1-(4-羟基-3-甲氧基苯基)-和1-(3-羟基-4-甲氧基苯基)-2-甲基丙烷-1-醇形成乙基7-羟基-6-甲氧基-3,3-二甲基(或6-羟基-7-甲氧基-3,3-二甲基)-1,2,3,4-四氢异喹啉-1-乙酸酯。