反应详情

The hydrochloride of the 3-(1-pyrrolidinyl)-4-phenoxy-5-aminobenzoic acid in converted in the manner described in Example 35 over the 3-(1-pyrrolidinyl)-4-phenoxy-5-chlorosulphonyl-benzoic acid into the desired 3-(1-pyrrolidinyl)-4-phenoxy-5-sulphamylbenzoic acid melting at 225°-226° C.