反应详情

Using a similar procedure to that described in Example 35, but using butyl chloroformate and (J) , the title compound was obtained as a solid in 34% yield; partial NMR: 0.9(t,3H, CH3CH2), 1.4(m,2H, CH3CH2) , 1.6 (m, 2H, CH2CH2O), 4.1 (t, 2H, CH2O).