期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 58, 期 36, 页码 12580-12584出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201908556
关键词
dichloromethane; hydrogen atom transfer; neutral eosin Y; Si-H activation; silyl chloride
资金
- Ministry of Education (MOE) of Singapore [MOE2017-T2-2-081]
- GSK-EDB [R-143-000-687-592]
- National Natural Science Foundation of China [21702142, 21871205, 21425313]
- National University of Singapore (Suzhou) Research Institute
Chlorosilanes are versatile reagents in organic synthesis and material science. A mild pathway is now reported for the quantitative conversion of hydrosilanes to silyl chlorides under visible-light irradiation using neutral eosin Y as a hydrogen-atom-transfer photocatalyst and dichloromethane as a chlorinating agent. Stepwise chlorination of di- and trihydrosilanes was achieved in a highly selective fashion assisted by continuous-flow micro-tubing reactors. The ability to access silyl radicals using photocatalytic Si-H activation promoted by eosin Y offers new perspectives for the synthesis of valuable silicon reagents in a convenient and green manner.
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