Phenylboronic Acid → HCID 59752640, compound

Participants

Reaction Steps

The title compound (98 mg) was prepared as in Step B of Example 294 using 196 mg trifluoro-methanesulfonic acid 2-isopropyl-5,5,7,7-tetramethyl-2,4,5,6,7,8-hexahydro-1,2,6-triaza-azulen-3-yl ester and 87 mg of phenylboronic acid. MS (ESI): exact mass calculated for C20H29N3, 311.24; found, m/z 312.5 [M+H]+. 1H NMR (500 MHz, CD3OD): 7.57-7.52 (m, 3H), 7.32-7.31 (m, 2H), 4.34 (m, 1H), 3.11 (s, 2H), 2.71 (s, 2H), 1.49-1.34 (m, 18H).

Provenance & Evidence