Method for producing alkenyl ethers

A process for preparing alkenyl ethers by reacting the corresponding alcohols selected from the group consisting of methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, 2-methyl-1-propanol, 1-methyl-2-propanol, 1-pentanol, 2-pentanol, 3-pentanol, 2-methyl-1-butanol, 3-methyl-1-butanol, 2,2-dimethyl-1-propanol, 2-methyl-2-butanol, 3-methyl-2-butanol, 1-hexanol, 2-hexanol, 3-hexanol, 3,3-dimethyl-3-butanol, 4-methyl-2-pentanol, 2-ethyl-1-butanol, cis-3-hexen-1-ol, 5-hexen-1-ol, 1-heptanol, 2-heptanol, 3-heptanol, 2,4-dimethyl-3-pentanol, 1-octanol, 2-octanol, 3-octanol, 2-ethyl-1-hexanol, 2,4,4-trimethyl-1-pentanol, 1-nonanol, 2-nonanol, 3-nonanol, 4-nonanol, 5-nonanol, 1-decanol, 2,2-dimethyl-1-octanol, 1-dodecanol, 1-tetradecanol, 1-hexadecanol, 1-octadecanol, cis-9-octadecen-1-ol, cis,cis-9,12-octadecadien-1-ol, cis,cis,cis-9,12,15-octadecatrien-1-ol, 1-eicosanol, 1-docosanol, cyclopropanol, cyclopropylmethanol, cyclopropylethanol, cyclobutanol, cyclobutylmethanol, cyclobutylethanol, cyclopentanol, cyclopentylmethanol, cyclopentylethanol, 1-methyl-cyclopentanol, 2-methyl-cyclopentanol, 3-methyl-cyclopentanol, cyclohexanol, cyclohexylmethanol, cyclohexylethanol, 1-methyl-cyclohexanol, 2-methyl-cyclohexanol, 3-methyl-cyclohexanol, 4-methyl-cyclohexanol, cycloheptanol, cyclooctanol, cyclodecanol, benzyl alcohol, hydroxydiphenylmethane, 1-phenylethanol, 2-phenylethanol, 2,2-diphenylethanol, 2,2,2-triphenylethanol, 1,2-ethanediol, 1,2-propanediol, 1,3-propanediol, 1,2-butanediol, 1,5-pentanediol, 1,6-hexanediol, diethylene glycol, triethylene glycol, tetraethylene glycol, 1,2,3-propanetriol and 2-methyl-1,2,3-propanetriol or the corresponding phenols with acetylenes in the liquid phase in the presence of basic alkali metal compounds and a cocatalyst comprising compounds of the formula (Ia) and/or (Ib)

• R1O—(CH2CH2CH2CH2O)n—H (Ia)R1O—(CH2CH2CH2CH2O)n—H2, (Ia)
• where R1, R2 are, independently of one another, C1-C6-alkyl or C2-C6-alkenyl, or R1 and R2 together form a butyl unit and n is 1, 2, 3, 4 or 5.