反应详情

5.2.63 2-(4-(4-chlorophenylsulfonamido)-1-hydroxynaphthalen-2-ylthio)propanoic acid (14u) was prepared according to the procedure of procedure B for 10a except using thiolactic acid and (E)-4-chloro-N-(3-chloro-4-oxonaphthalen-1(4H)-ylidene)-benzenesulfonamide (12e), which afforded the title compound 41.3 mg (49%) as a white solid, m.p.: 177-179° C.