反应详情

The preparation was conducted as described for cat.1(A. 1.). Instead of pivalic acid, 2-ethylhexanoic acid was used, and instead of benzyldimethylamine, N,N-dimethyl-N-(4-methoxybenzyl)amine was used. Yield: 45.3 g (67%) of cat. 4 as a pale yellow, viscous oil.