Table 5. Reaction between Thiophenol and Ethyl Propiolate in Various Solvents at 0.2 M and Ambient Temperature⁷⁵.

solvent	time (min)	yield (%)	E/Z
H2O	5	98	3/97
MeCNa	15	90	13/87
MeOH	25	85	15/85
DMFb	20	80	47/53
CH2Cl2	20	44	26/74
THFc	30	30	32/68
EtOAc	25	12	17/83
acetone	20	74	20/80
toluene	40	18	25/75
n-C6H13	40	19	33/67

^aMeCN = acetonitrile.

^bDMF = dimethylformamide.

^cTHF = tetrahydrofuran.