2,1,3-Benzothiadiazole, 4-chlorosulfonyl- → 2-(Benzo[1,2,5]thiadiazole-4-sulfonylamino)-4-methylbenzoic acid methyl ester

Participants

Reaction Steps

The title compound (1.22 g, 53%) was prepared from benzo[1,2,5]thiadiazole-4-sulfonyl chloride and 2-amino-4-methyl-benzoic acid methyl ester as in Example 10, Part A. 1H NMR (500 MHz, CDCl3): 11.28 (s, 1H), 8.36 (dd, J=7.1, 1.0, 1H), 8.19 (dd, J=8.8, 1.0, 1H), 7.73 (d, J=8.1, 1H), 7.68 (dd, J=8.8, 7.1, 1H), 7.51 (br s, 1H), 6.77 (dd, J=8.1, 0.9, 1H), 3.89 (s, 3H), 2.28 (s, 3H).

Provenance & Evidence