Sodium hydride → 4-[3-(2-Nitro-4-trifluoromethanesulfonyl-phenoxy)-phenoxy]-benzoic acid

Participants

Reaction Steps

Using procedure as in example 10, a reaction of 4-(3-hydroxyphenoxy)benzoic acid (100 mg, 0.4334 mmol), NaH (38 mg, 2.2 equiv.) and 2-nitro-4-(trifluoromethylsulfonyl)chlorobenzene (126 mg, 1 equiv.) afforded 4-[3-(2-nitro-4-trifluoromethanesulfonyl-phenoxy)-phenoxy]-benzoic acid. 1HNMR (360 MHz, DMSO-d6) δ 12.8 (br s, 1H, COOH), 8.75 (d, J=2.7 Hz, 1H), 8.30 (dd, J=2.7 & 9.0 Hz, 1H), 7.95 (m, 2H), 7.6 (m, 1H), 7.37 (d, J=9.0 Hz, 1H), 7.17-7.21 (m, 2H), 7.12 (m, 3H). MS-EI m/z 483 [M+].

Provenance & Evidence