Preparation of 1,2,3,4-tetrahydroisoquinolines lacking electron donating groups — An intramolecular cyclization complementary to the Pictet-Spengler reaction
作者:G.E. Stokker
DOI:10.1016/0040-4039(96)01192-6
日期:1996.7
The synthesis of 1,2,3,4-tetrahydroisoquinolines via an intramolecularcyclization of N-trifluoroacylated phenethylamines devoid of electron donating groups, with paraformaldehyde mediated by acetic/sulfuric acid milieu is described.
The present invention is a biphenylamidine derivative represented by the formula (1) or a pharmaceutically acceptable derivative thereof:
and the biphenylamidine derivative or the pharmaceutically acceptable derivative thereof is a novel compound which can be used as a clinically applicable FXa inhibitor.
The present invention is a biphenylamidine derivative represented by the formula (1) or a pharmaceutically acceptable derivative thereof:
and the biphenylamidine derivative or the pharmaceutically acceptable derivative thereof is a novel compound which can be used as a clinically applicable FXa inhibitor.