反应详情

5.2.52 N-(3-(ethylthio)-4-hydroxynaphthalen-1-yl)thiophene-2-sulfonamide (14j) was prepared according to the procedure for 14d except using (E)-N-(3-ethylthio-4-oxonaphthalen-1(4H)-ylidene)thiophene-2-sulfonamide (13j), which afforded the title compound 14 mg (100%) as a grey solid, m.p.: ° C.