Asymmetric hydrosilylations of N-sulfonyl ketimines and vicinal diimines with chiral boranes

被引：2
|
作者：
Liu, Ting [1 ,2 ]
Feng, Xiangqing [1 ,2 ]
Du, Haifeng [1 ,2 ]
机构：
[1] Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, CAS Key Lab Mol Recognit & Funct, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
TETRAHEDRON LETTERS | 2022年 / 111卷
基金：
中国国家自然科学基金;
关键词：
Asymmetric hydrosilylation; N -Sulfonyl ketimines; Vicinal diimines; Chiral boranes; FLPs; FRUSTRATED LEWIS PAIRS; METAL-FREE HYDROGENATION; B(C6F5)(3)-CATALYZED HYDROSILYLATION; ENANTIOSELECTIVE SYNTHESIS; MECHANISM; HYDROSILATION; AUXILIARIES; CHEMISTRY;
D O I：
10.1016/j.tetlet.2022.154202
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A metal-free hydrosilylation of N-sulfonyl ketimines under the FLP catalysis has been realized to give optically active amines in high yields with up to 73% ee. Significantly, a chiral borane-catalyzed asymmet-ric hydrosilylation of vicinal diimines was also achieved, affording the desired cis-1,2-diamines with 12- 70% ee's.(c) 2022 Elsevier Ltd. All rights reserved.
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页数：4
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