期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 58, 期 31, 页码 10703-10707出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201905159
关键词
gold; heterocycles; propargyl compounds; reaction mechanisms; structure elucidation
资金
- Ministerio de Economía y Competitividad [CTQ-2016-76840-R (AEI/FEDER, UE)] Funding Source: Medline
- Ministerio de Educación Cultura y Deporte [FPU predoctoral fellowship] Funding Source: Medline
Reported herein is the isolation and characterization, for the first time, of a sigma-gold allenyl complex as an intermediate in gold catalysis. This intermediate was captured during the study of a novel gold(I)-catalyzed propargylation of carbonyl compounds with propargylsilanes. Notably, the gold-catalyzed propargylation reaction, which proceeds with aldehydes and ketones, can be driven to the formation of either homopropargyl silyl ethers or the in situ synthesis of corresponding 2-silyl-4,5-dihydrofurans.
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