Abstract
Gallium trichloride (GaCl3) catalyzes the ethynylation reaction of a 1,4-enyne with chlorosilylacetylene at the propargyl position giving a triethynylvinylmethane. This catalytic method can be applied to the exhaustive α-ethynylation of 1-silylacetylenes possessing less acidic propargyl protons, and mono-, di-, and triethynylated products are obtained depending on the structure of the starting materials.
Original language | English |
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Pages (from-to) | 1011-1014 |
Number of pages | 4 |
Journal | Advanced Synthesis and Catalysis |
Volume | 349 |
Issue number | 7 |
DOIs | |
Publication status | Published - 2007 May 1 |
Keywords
- 1,4-Enynes
- 1-Silylacetylenes
- Deprotonation
- Ethynylation
- Gallium trichloride
- Propargylgallium
ASJC Scopus subject areas
- Catalysis
- Organic Chemistry