From Heteroaromatic Acids and Imines to Azaspirocycles: Stereoselective Synthesis and 3D Shape Analysis.
From Heteroaromatic Acids and Imines to Azaspirocycles: Stereoselective Synthesis and 3D Shape Analysis.
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DOI:
10.1002/chem.201600823
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发表时间:
2016-05-04
影响因子:
4.3
通讯作者:
Taylor, Richard J. K.
中科院分区:
文献类型:
--
作者:
Chambers, Sarah J.;Coulthard, Graeme;Unsworth, William P.;O'Brien, Peter;Taylor, Richard J. K.
Heteroaromatic carboxylic acids have been directly coupled with imines using propylphosphonic anhydride (T3P) and NEt(iPr)2 to form azaspirocycles via intermediate N‐acyliminium ions. Spirocyclic indolenines (3H‐indoles), azaindolenines, 2H‐pyrroles and 3H‐pyrroles were all accessed using this metal‐free approach. The reactions typically proceed with high diastereoselectivity and 3D shape analysis confirms that the products formed occupy areas of chemical space that are under‐represented in existing drugs and high throughput screening libraries.
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影响因子:
4.3
作者:
Dhankher, Persis;Benhamou, Laure;Sheppard, Tom D.
通讯作者:
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DOI:
10.1002/cber.19630960235
发表时间:
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期刊:
CHEMISCHE BERICHTE-RECUEIL
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