2-(Trifluoromethoxy)phenylboronic Acid (contains varying amounts of Anhydride) → HCID 136027568, compound

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Reaction Steps

The titled compound was prepared in a manner analogous to Example 69, steps C-E, using 1-[6-iodo-4-oxo-3-(2-trimethylsilanyl-ethoxymethyl)-3,4-dihydro-quinazolin-2-yl]-1H-pyrazole-4-carboxylic acid ethyl ester (Example 69 product from step B) and 2-trifluoromethoxyphenylboronic acid in step C. MS (ESI): mass calcd. for C19H11F3N4O4, 416.1; m/z found, 417.1 [M+H]+. 1H NMR (600 MHz, DMSO-d6): 13.02 (s, 1H), 12.95 (s, 1H), 8.99 (s, 1H), 8.28 (s, 1H), 8.20 (s, 1H), 7.96 (d, J=7.5 Hz, 1H), 7.69-7.66 (m, 1H), 7.61-7.53 (m, 3H).

Provenance & Evidence