Condensation of 2-cyanomethyl benzaldehydes 1 with 2 (ammonia, primary or secondary amines) carried out in the presence of a catalytic amount of trifluoroacetic acid, afforded 3aminoisoquinolines 3. In the case of primary amines azomethines 4 were formed at first, they dissociated and subsequently yielded 3 in a rather slow process.
2-
氰基甲基
苯甲醛1与2(
氨,伯或仲胺)的缩合反应在催化量的
三氟乙酸存在下进行,得到3个
氨基
异喹啉3。在
伯胺中偶氮甲碱的情况下4起初形成的,它们离解并随后得到3在一个相当慢的过程。