反应详情

The same procedure described for 1 was used by employing 4-bromobenzonitrile (2 equiv.) and 1,4-phenylenebisboronic acid (1 equiv.) to furnish 17 as a white solid in 73% yield; mp 299-300° C. 1H NMR (DMSO-d6): δ 7.89 (dd, J=8.1, 2.1 Hz, 4H), 7.94-7.96 (m, 8H). MS (ESI) m/e (rel. int.): 280 (M+, 100). Anal. Calc. for C20H12N2: C %, 85.69; H %, 4.31. Found C %, 85.41; H %, 4.52.