In Pursuit of β-Amino-α-nitro-β-(trifluoromethyl) Ketones: Nitro-Mannich versus Mannich-Type Reactions

被引：10

作者：

Pelagalli, Alessia ^{[1
]}

Pellacani, Lucio ^{[1
]}

Fioravanti, Stefania ^{[1
]}

机构：

[1] Univ Roma La Sapienza, Dipartimento Chim, Ple Aldo Moro 5, I-00185 Rome, Italy

来源：

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY | 2017年 / 2017卷 / 23期

关键词：

Addition; Nitro ketones; Organocatalysis; Green chemistry; Aldimines; Ketones; Stereoselctivity; AZA-HENRY REACTIONS; TRIFLUOROMETHYL ALDIMINES; STEREOSELECTIVE-SYNTHESIS; SOLVENTLESS CONDITIONS; AMINO-ACID; IMINES; DIARYLPROLINOL; DERIVATIVES; HYDRAZONES; ALDEHYDES;

D O I：

10.1002/ejoc.201700510

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The reactivity of -nitro ketones with trifluoromethyl aldimines has been studied for the first time. Whereas under nitro-Mannich conditions only the facial stereoselectivity can be controlled, organocatalysed Mannich-type reactions allowed complete control of the absolute and relative stereoselectivity, leading to highly functionalised -amino--nitro--(trifluoromethyl) compounds as diastereomerically pure compounds. The structures of the reactants play a key role in the geometrical and/or facial stereoselectivity.

引用

页码：3373 / 3380

页数：8

共 34 条

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