Catalytic imine-imine cross-coupling reactions

被引：48

作者：

Matsumoto, Masatoshi ^{[1
]}

Harada, Masashi ^{[1
]}

Yamashita, Yasuhiro ^{[1
]}

Kobayashi, Shu ^{[1
]}

机构：

[1] Univ Tokyo, Sch Sci, Dept Chem, Bunkyo Ku, Tokyo 1130033, Japan

来源：

CHEMICAL COMMUNICATIONS | 2014年 / 50卷 / 86期

基金：

日本学术振兴会;

关键词：

POTENTIAL CHIRAL SUPERBASES; LOW-VALENT TITANIUM; CHLORIDE-INDUCED CYCLIZATION; IN-SITU GENERATION; MODIFIED GUANIDINES; AROMATIC-ALDEHYDES; VICINAL DIAMINES; GLYCINE ESTERS; DERIVATIVES; ALDIMINES;

D O I：

10.1039/c4cc06156j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report here efficient catalytic imine-imine cross-coupling reactions based on an umpolung strategy; an imine bearing a 9-fluorenyl moiety on its nitrogen atom, which acted as a nucleophile, reacted with another imine to afford an imine-imine cross-coupling adduct in high yield. Furthermore, a chiral guanidine acted as a chiral catalyst for these coupling reactions, and optically active 1,2-diamines were obtained in high yields with high enantioselectivities.

引用

页码：13041 / 13044

页数：4

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