Process for preparing silicon-containing vinyl ethers and vinyl thioethers of the general formula I ##STR1## where the variables have the following meanings: X is oxygen or sulfur, R.sup.1 is C.sub.1 -C.sub.20 -alkylene, C.sub.3 -C.sub.12 -cycloalkylene or C.sub.6 -C.sub.10 -arylene, R.sup.2, R.sup.3 and R.sup.4 are hydrogen, C.sub.1 -C.sub.20 -alkyl, C.sub.3 -C.sub.12 -cycloalkyl, C.sub.1 -C.sub.12 -alkoxy, phenoxy, heteroaryl or together with R.sup.1 form a C.sub.3 -C.sub.12 -cycle, by reaction of silicon-containing alcohols or thiols of the general formula II ##STR2## where the variables have the meaning indicated above, with acetylene, by carrying out the reaction in phenyl methyl sulfoxide, dimethyl sulfoxide, sulfolane or hexamethylphosphoramide in the presence of an alkali metal hydroxide.
制备含
硅基的通式I的
乙烯基醚和乙
硫基醚的过程,其中变量的含义如下:X为氧或
硫,R1为C1-C20-烷基,C3-C12-环烷基或C6-C10-芳基,R2、R3和R4为氢,C1-C20-烷基,C3-C12-环烷基,C1-C12-烷氧基,苯氧基,杂环芳基或与R1一起形成C3-C12-环。通过将通式II的含
硅醇或
硫醇(其中变量的含义如上所述)与
乙炔反应,在苯甲基亚磺酰
甲烷,二甲基亚磺酰
甲烷,磺
缩醛或六
甲基膦酰胺存在碱性
金属氢氧化物的情况下进行反应。