反应详情

Using a procedure analogous to that used to prepare 30B, 32A was heated in a pressure vessel with 9-BBN at 100° C. for 10 h to yield 32B (6.7 g, 62%) as a clear oil. 1H NMR (400 MHz, CDCl3) δ ppm 2.31 (s, 6 H) 2.89 (t, J=7.33 Hz, 2 H) 3.73 (t, J=7.33 Hz, 2 H) 7.16 (s, 2 H).