Sulfuryl chloride → (3-{[(5-Chloro-thiophene-2-sulfonyl)-(4-thiazol-2-yl-benzyl)-amino]-methyl}-phenoxy)-acetic acid tert-butyl ester

Participants

Reaction Steps

The title compound of Step A was prepared following the method described in Step A of Example 13w from {3-[(4-thiazol-2-yl-benzylamino)-methyl]-phenoxy}-acetic acid tert-butyl ester, prepared in Step A of Example 13i, and 5-chlorothiophene-2-sulfonyl chloride with the following exception. The sulfonyl chloride was dissolved in CH2Cl2 (1 mL) and 0.28 mL was added to the reaction mixture. 1H NMR (400 MHz, CDCl3) δ 8.03 (d, 1H), 7.79 (d, 2H), 7.43 (d, 1H), 7.34 (d, 1H), 7.24 (m, 3H), 7.13 (m, 1H), 6.94 (d, 1H), 6.76 (m, 1H), 6.68 (m, 2H), 4.41 (s, 2H), 4.35 (s, 2H), 4.30 (s, 2H), 1.48 (s, 9H); MS 591 (M+).

Provenance & Evidence