Figure 1.
General structures of sulfonamides 1 (1° R2, R3=H; 2° R2=H, R3≠H; 3° R2≠H, R3≠H), sulfonimidamides 2 (1° R2, R3=H; 2° R2=H, R3≠H; 3° R2≠H, R3≠H), sulfinamides 3 (1° R2, R3=H; 2° R2=H, R3≠H; 3° R2≠H, R3≠H) and sulfoximines 4.
General structures of sulfonamides 1 (1° R2, R3=H; 2° R2=H, R3≠H; 3° R2≠H, R3≠H), sulfonimidamides 2 (1° R2, R3=H; 2° R2=H, R3≠H; 3° R2≠H, R3≠H), sulfinamides 3 (1° R2, R3=H; 2° R2=H, R3≠H; 3° R2≠H, R3≠H) and sulfoximines 4.