Trifluoroacetic acid → 3-(Ethylsulfonyl)pyridine-2-sulfonamide

Participants

Reaction Steps

Using the second half of the procedure of Example 4 (i.e., the trifluoroacetic acid reaction), 9.0 g (0.029 mol) of the product from Example 9 was converted to 4.2 g (58%) of the title compound: m.p. 211°-212.5°; NMR (DMSO-d6, 200 MHz) 1.15 (3H, t, J=7 Hz), 3.4 (NH2), 3.7 (2H, q, J=7 Hz), 7.9 (1H, m), 8.5 (1H, m), 8.95 (1H, m); IR (nujol) 3370, 3190, 1350, 1310, 1180 cm-1.

Provenance & Evidence