4-Bromobenzophenone → 4-Benzoylbiphenyl

Beteiligte Stoffe

Reaktionsschritte

According to the general procedure described above, 4-Bromobenzophenone (131 mg, 0.50 mmol) reacted with phenylboronic acid (92 mg, 0.75 mmol) using 0.0005 mol % of Pd(dba)2, 0.002 mol % of Ph5FcP(t-Bu)2, and K3PO4 (318 mg, 1.50 mmol) in toluene solvent at 100° C. for 1 hr to title compound (121 mg, 94%) as a solid: 1H-NMR (400 MHz, CDCl3): δ 7.92 (d, 2H, J=8.4 Hz), 7.87 (d, 2H, J=7.2 Hz), 7.73 (d, 2H, J=8.4 Hz), 7.18 (d, 2H, J=6.8 Hz), 7.63 (m, 1H), 7.51 (m, 3H), 7.43 (m, 2H). 13C{1H}-NMR (100 MHz, CDCl3): δ 196.30, 145.16, 139.89, 137.68, 136.15, 132.34, 130.69, 129.96, 128.92, 128.26, 128.14, 127.25, 126.91. GC/MS(EI): m/z 181 (M−77+). Anal. Calcd for C19H14O: C, 88.34; H, 5.46. Found: C, 88.26; H, 5.62.

Herkunft & Nachweise