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

Beteiligte Stoffe

Reaktionsschritte

The title compound (0.95 g, 50%) was prepared from methyl 2-amino-4,5-dichlorobenzoate and 4-chlorosulfonyl-2,1,3-benzothiadiazole as in Example 1, Part A (without DMAP). 1H NMR (500 MHz, CDCl3): 11.21 (s, 1H), 8.39 (dd, J=7.1, 1.0, 1H), 8.25 (dd, J=8.8, 1.0, 1H), 7.94 (s, 1H), 7.91 (s, 1H), 7.74 (dd, J=8.8, 7.1, 1H), 3.93 (s, 3H).

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