Sodium hydride → 4-Methyl-2,6-bis-(2-nitro-4-trifluoromethanesulfonyl-phenoxy)-benzoic acid methyl ester

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Reaction Steps

Using procedure as in Example 10, a reaction of methyl 2,6-dihydroxy-4-methylbenzoate (50 mg, 0.274 mmol), NaH (24 mg, 2.2 equiv.) and 2-nitro-4-(trifluoromethylsulfonyl)chlorobenzene (159 mg, 2 equiv.) afforded 4-methyl-2,6-bis-(2-nitro-4-trifluoromethanesulfonyl-phenoxy)-benzoic acid methyl ester. 1HNMR (360 MHz, DMSO-d6) δ 8.80 (d, J=2.2 Hz, 2H), 8.32 (dd, J=2.2 & 9.0 Hz, 2H), 7.48 (d, J=2.7 Hz, 2H), 7.44 (s, 2H), 3.50 (s, 3H, OCH3), 1.23 (s, 3H, CH3). MS-APCI (negative mode) m/z 686.6 [M+−2].

Provenance & Evidence