10.1021/ol026050l.s001
Mieko Arisawa
Mieko
Arisawa
Ryo Amemiya
Ryo
Amemiya
Masahiko Yamaguchi
Masahiko
Yamaguchi
One-Step Ethynylation of Silyl Enol
Ether with Chlorosilylethyne
American Chemical Society
2002
presence
GaCl 3
Chlorosilylethyne
proton
ethynylated
acidic
silyl enol ethers
chlorotrimethylsilylethyne
Ethynylation
Silyl Enol Ether
allenyl ketones
aryl
isomerization
2002-06-06 00:00:00
Journal contribution
https://acs.figshare.com/articles/journal_contribution/One-Step_Ethynylation_of_Silyl_Enol_Ether_with_Chlorosilylethyne/3742968
In the presence of GaCl<sub>3</sub>, silyl enol ethers are ethynylated at the α-carbon atom with chlorotrimethylsilylethyne. This reaction can provide
α-ethynylated aryl ketones possessing acidic α-protons without isomerization to conjugated allenyl ketones.