B 2447 (OTTO) 1-(Benzenesulfonyl)pyrrole, 98%, 98% Cas 16851-82-4 - used in the synthesis of 1-(phenylsulfonyl)pyrrole-2-boronic acid, via lithiation of 1-(phenylsulfonyl)-pyrrole. B 2447 (OTTO) 1-(Benzenesulfonyl)pyrrole, 98% Cas 16851-82-4 - used for the synthesis of 1-phenylsulfonyl-1H-pyrrole-3-sulfonyl chloride derivatives, which affords sulfonamide derivatives by reaction with nitrogen nucleophiles.