In the related "amide route" starting from 2-chloroisonicotinic acid, 41 ,a secondary amide directing group was used to facilitate the ortho lithiation of the pyridine 3-position.
在有关"酰胺三号"
2-
、41、次要酰胺导演组用的锂方便邻吡啶3-立
.
In the related "amide route" starting from 2-chloroisonicotinic acid, 41 ,a secondary amide directing group was used to facilitate the ortho lithiation of the pyridine 3-position.
在有关"酰胺三号"2-、41、次要酰胺导演组用的锂方便邻吡啶3-立.
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