期刊
ORGANOMETALLICS
卷 38, 期 19, 页码 3796-3803出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.organomet.9b00498
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资金
- University of Delaware
- National Science Foundation [CHE-1254360, CHE-1800011]
- NSF [CHE-0421224, CHE-0840401, CHE-1229234]
- NIH [S10 OD016267, S10 RR026962, P20 GM104316, P30 GM110758]
We report the synthesis of unsaturated silacycles via an intramolecular silyl-Heck reaction. Using palladium catalysis, silicon electrophiles tethered to alkenes cyclize to form five- and six-membered silicon heterocycles. The effects of alkene substitution and tether length on the efficiency and regioselectivity of the cyclizations are described. Finally, through the use of an intramolecular tether, the first examples of disubstituted alkenes in silyl-Heck reactions are reported.
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