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"
胺三
"
2-
酸、41、次要胺导演
锂方便邻吡啶3-立场.
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denitrate, denitration, denitrator, denitridation, denitriding, denitrification, denitrifier, denitrify, denitrifying, denitrogen,
相似单词
3G, 401(K), a,
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