反应详情

The product from Example 2 was reacted as described in Example 3 replacing ethylformate with acetic anhydride, giving the desired product, (M+H)+ 222. 1H NMR(CDCl3): 1.15 (t,3H); 2.05 (m,2H); 2.6-2.0 (m,4H); 3.75 (s,3H); 4.2 (m,1H), 6.3-7.1 (m,3H).