Nickel-catalyzed direct alkynylation of C(sp(2))-H bonds of amides: an 'inverse Sonogashira strategy' to ortho-alkynylbenzoic acids

Landge Vinod G.; Shewale Chinmay H.; Jaiswal GarimaSahoo Manoj K.Midya Siba P.Balaraman Ekambaram

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Nickel-catalyzed direct alkynylation of C(sp(2))-H bonds of amides: an 'inverse Sonogashira strategy' to ortho-alkynylbenzoic acids

机译：Nickel-catalyzed直接alkynylation C - h (sp (2))酰胺债券:一个“逆Sonogashira战略”ortho-alkynylbenzoic酸

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Nickel-catalyzed direct alkynylation of C(sp(2))-H bonds of amides using commercially available, inexpensive 8-aminoquinoline as a removable bidentate directing group is described. The present ortho-alkynylation has a broad substrate scope, functional group tolerance and high regiocontrol, and can be scaled up. The efficiency and selectivity of this strategy provide sustainable routes to a diverse array of ortho-alkynylbenzoic acids under Ni-(II)-catalyzed conditions.

机译：Nickel-catalyzed直接alkynylation C - h (sp (2))债券的酰胺使用商用,便宜的8-aminoquinoline作为可移动的双配位基的指导小组。现在ortho-alkynylation具有广泛的底物范围、官能团容忍和高regiocontrol,可以扩大规模。这个策略的效率和选择性提供可持续的途径多样化ortho-alkynylbenzoic酸在镍(II)催化条件。

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来源
《Catalysis science & technology》 |2016年第6期|1946-1951|共6页
作者
Landge Vinod G.; Shewale Chinmay H.; Jaiswal GarimaSahoo Manoj K.Midya Siba P.Balaraman Ekambaram;
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CSIR NCL, Catalysis Div, Dr Homi Bhabha Rd, Pune 411008, Maharashtra, India;

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正文语种英语
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alkynylation; hydrogen bonds; acidsMentoring8-aminoquinolineaminoquinolinesBondamides;

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Nickel-catalyzed direct alkynylation of C(sp(2))-H bonds of amides: an 'inverse Sonogashira strategy' to ortho-alkynylbenzoic acids

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