反应详情

Intermediate D4 was prepared following the same procedure implemented for the synthesis of D3, using 4-hydroxy-1-(3-methylbutyl)-1H-pyridin-2-one as starting material, which was prepared by the same method used for the synthesis of intermediate D2, by reaction of 4-benzyloxy-1H-pyridin-2-one with 1-bromo-3-methylbutane.

1. customwas prepared by the same method