phenylmethoxycarbonylamino acetate

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: Benzyl (acetyloxy){[2-(methylsulfonyl)phenyl]sulfonyl}carbamate (50) is prepared from 2-methylsulfonylbenzenesulfonyl chloride, sodium hydride and [(benzyloxy) carbonyl]amino acetate according to Scheme 2. (0.33 g, 28%), 1H NMR (500 MHz, CHLOROFORM-d) δ ppm 8.21-8.47 (2H, m), 7.79-7.88 (1H, m), 7.65-7.74 (1H, m), 7.30-7.41 (3H, m), 7.16-7.24 (2H, m), 5.18 (2H, br. s.), 3.31 (3H, s), 2.29 (3H, s).

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: [(Benzyloxy)carbonyl]amino acetate is prepared from N-(benzyloxycarbonyl) hydroxylamine and acetyl chloride according to Scheme 1. (1.24 g, 33%), 1H NMR (500 MHz, CHLOROFORM-d) δ ppm 8.18 (1H, br. s.), 7.32-7.45 (5H, m), 5.22 (2H, s), 2.22 (3H, s).