反应详情

Following the procedure of Example 1 but starting with 2-(7-chloro-1,8-naphthyridin-2-yl)-3-phenoxycarbonyloxy-isoindolin-1-one (8.6 g.) and a 33% (w/v) aqueous solution of ethylamine (d = 0.92; 9 cc.) in acetonitrile (200 cc.), 2-(7-chloro-1,8-naphthyridin-2-yl)-3-ethylaminocarbonyloxy-isoindolin-1-one (4.1 g.), melting at 212°-215° C., is obtained.