反应详情

Prepared analogousely to step 6.1 from 2.0 g (9.57 mMol) 6-methoxy-benzo[d]isothiazole-3-carboxylic acid, 3.9 g (14.3 mMol) 4-(4-methyl-piperazin-1-ylmethyl)-3-trifluoromethyl-aniline, 13.3 ml (95.7 mMol) Et3N and 11.17 ml (50% in DMF; 19.1 mMol) propylphosphonic anhydride in 100 ml of dry DMF: m.p.: 156° C.; MS: [M+1]+=465.