Journal
ORGANOMETALLICS
Volume 39, Issue 16, Pages 2947-2950Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.organomet.0c00433
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Funding
- Development of Innovative Catalytic Processes for Organosilicon Functional Materials project from the New Energy and Industrial Technology Development Organization (NEDO)
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Herein, we describe a decarboxylative approach to the preparation of alkynylsilanes. Treatment of a silyl alkynoate in N,N-dimethylformamide (DMF) at 80 degrees C in the presence of catalytic amounts of CuCl and PCy3 produced the corresponding alkynylsilane in excellent yield. The copper-catalyzed decarboxylation proceeded smoothly with low catalyst loadings (0.5 mol % of CuCl and 1.0 mol % of PCy3) under mild reaction conditions and is easily scalable to gram quantities.
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