Boronic acid, (4-ethylphenyl)- → HCID 11391563, compound

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Reaction Steps

The title compound (140 mg) was prepared according to Example 193 using 213 mg of 2-ethyl-3-trifluoromethanesulfonyloxy-4,5,7,8-tetrahydro-2H-1,2,6-triaza-azulene-6-carboxylic acid tert-butyl ester (Example 193, Step A) and 232 mg of 4-ethylphenylboronic acid. MS (ESI): exact mass calculated for C17H23N3, 269.19; found, m/z 270.5 [M+H]+. 1H NMR (500 MHz, CD3OD): 7.40-7.39 (m, 2H), 7.27-7.26 (m, 2H), 4.65 (br s, 2H), 4.05-4.00 (m, 2H), 3.8-3.6 (m, 2H), 3.18-3.00 (m, 2H), 2.88-2.81 (m, 2H), 2.76-2.71 (m, 2H), 1.32-1.24 (m, 6H).

Provenance & Evidence