反应详情

Using the general procedure described above, the reaction of 6 (180 mg, 0.59 mmol) and 4-methoxy-N-methylaniline (612 mg, 4.46 mmol) was run for 120 hours, to provide 88 mg of 11 as a brown solid in 37% yield. TLC Rf 0.57 (chloroform-methanol 15:1); mp 288.5-289.4° C.; 1H NMR (DMSO-d6) δ 1.26 (s, 9H, C(CH3)3,) 3.60 (s, 3H, OCH3), 3.69 (s, 3H, NCH3), 5.87-7.33 (m, 8H, Ar—H), 9.58 (s, 1H, 2-NH, exch), 11.88 (s, 1H, 9-NH, exch).