期刊
ACS CATALYSIS
卷 12, 期 14, 页码 8476-8483出版社
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.2c02482
关键词
silicon-stereogenic silanols; asymmetric copper catalysisdesymmetrization of silanediolsdehydrogenative couplingenantioselective sigma-bond metathesis
资金
- National Natural Science Foundation of China [21901104, 22122102, 22101120]
- Guangdong Provincial Key Laboratory of Catalysis [2020B121201002]
- Shenzhen Science and Technology Innovation Committee [JCYJ20190809142809370]
- Stable Support Plan Program of Shenzhen Natural Science Fund [20200925152450004]
This study demonstrates a copper-catalyzed asymmetric synthesis of silanediols, which allows for the synthesis of various functionalized chiral silanols. The method exhibits high atom economy, decent yield with excellent stereoselectivity, and H-2 as the sole byproduct.
Despite the growing demand for the enantioenriched silicon-stereogenic silanols in materials science, medicinal chemistry, and modern synthetic chemistry, the catalytic asymmetric synthesis of which remains a considerable challenge compared with their carbinol analogues. Herein, a copper-catalyzed desymmetrization of silanediols for the synthesis of various functionalized chiral silanols is demonstrated. The reaction features high atom economy, decent yield with excellent stereoselectivity, and H-2 as the sole byproduct. Key to the success for discrimination of the gem-diol groups in silanediol relies on an enantioselective sigma-bond metathesis process. Further straightforward elaboration of the enantioenriched silicon-stereogenic silanols delivers several interesting chiral silane scaffolds without the loss of enantiopurities.
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