Table 6. Reaction between Ethyl Propiolate and Dodecanethiol Catalyzed by Triethylamine in Various Solvents at 0.1 M and Ambient Temperature⁷⁶.

solvent	dielectric constant	conversion (%)	E/Z
C6H6	2.27	50	98/2
CHCl3	4.81	96	97/3
acetone	20.7	100	52/48
MeCNa	37.5	100	34/66
DMSOb	46.7	100	22/78

^aMeCN = acetonitrile.

^bDMSO = dimethylsulfoxide.