Table 1. Synthesis of Cyclic Sulfonimidamides 8c–f from Sulfinamide 6a.
Typical conditions: (1) 6, MeCN, N-chlorosuccinimide, 15 min at 0 °C, then amino acid reagent and DIPEA, rt; (2) sodium amylate, MeOH, reflux.
Isolated yields over two steps given in parentheses.