反应详情

According to the procedure described in example 13 step 13a acetoxyacetic acid (0.667 g) and 2-aminomethyl-3-chloropyrazine hydrochloride (content 77%; 0.81 g) gave 2-((3-chloropyrazin-2-yl)methylamino)-2-oxoethyl acetate (0.99 g) after purification by column chromatography (silica gel; gradient of dichloromethane to dichloromethane/ethyl acetate 1/1).