反应详情

(2-Amino-5-chloro-4-methyl-phenyl)-carbamic acid tert-butyl ester was prepared from (5-chloro-4-methyl-2-nitro-phenyl)-carbamic acid tert-butyl ester (Example A16) (11.9 g, 41.4 mmol) by reduction with SnCl2.2H2O according to the general procedure J (method b). Obtained as a yellow solid (9.25 g, 87%).