Bifunctional Rhodium Complex Featuring a Silyl-1,8-naphthyridine Si,N-Chelate Ligand: Cooperation of Metal and Pendant Base for Capture and Bond-weakening of BH3

被引：5

作者：

Sato, Keita ^{[1
]}

Komuro, Takashi ^{[1
]}

Hashimoto, Hisako ^{[1
]}

Tobita, Hiromi ^{[1
]}

机构：

[1] Tohoku Univ, Grad Sch Sci, Dept Chem, Sendai, Miyagi 9808578, Japan

来源：

CHEMISTRY LETTERS | 2020年 / 49卷 / 11期

基金：

日本学术振兴会;

关键词：

Bifunctional complex; Silyl ligand; 1,8-Naphthyridine backbone; PYRIDYLIDENES; REACTIVITY;

D O I：

10.1246/cl.200489

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A dirhodium complex bearing a newly-designed silyl-1,8-naphthyridine ligand (napySi), [Rh(kappa Si-2,N-napySi)(H)(mu-Cl)](2) (1), was synthesized. Reaction of complex 1 with excess BH3 center dot SMe2 afforded a mononuclear borane adduct Rh[kappa Si-4,N,H,H-napySi(BH3)](H)Cl (2), revealing that rhodium and the uncoordinated naphthyridine nitrogen cooperatively captured BH3 and weakened its two B-H bonds. Complex 2 contains a Rh(mu-H)(2)B core composed of two Rh-H-B-3-center 2-electron (3c-2e) bonds where one Rh-H interaction is considerably weakened by strong trans-influence of the silyl ligand moiety.

引用

页码：1431 / 1434

页数：4

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