反应详情

The procedure of Example 1 was repeated using 6-methyl-2-(3-nitrophenylamino)nicotinaldehyde (1.0 eq., prepared in Synthetic Example 1), ethyl 5-(pyridin-4-yl)pentanoate (1.5 eq.) and LDA (1.5 eq.) to obtain 7-methyl-1-(3-nitrophenyl)-3-[3-(pyridin-4-yl)propyl]-1,8-naphthyridin-2(1H)-one, mp 165 to 166° C./AcOEt, wherein the product was purified through silica gel column chromatography and recrystallization.