反应详情

Using a procedure analogous to that used for preparation of 17B, 16E (0.418 g, 1.35 mmol) was reacted with 4-bromophenylbutanoic acid (0.340 g, 1.40 mmol) to give 18A (0.642 g, 89%) as a white solid. MS (ESI) m/z 537.0 (M+H)+.