Process for the production of asymmetrical terminally singly...

Details Process for the production of asymmetrical terminally singly... Process for the production of asymmetrical terminally singly...

C - Chemistry, Metallurgy

07

C

260/646.8

C07C 41/06 (2006.01) C07C 41/16 (2006.01) C07C 43/15 (2006.01)

Patent

CA 2012225

A B S T R A C T Monoalkylethers of alkyleneglycols and oligoalkyleneglycols are reacted completely with terminally unsaturated alkenyl halides to form the terminally singly unsaturated glycolethers as product, wherein initially a complete reaction to the corresponding alcoholate takes place only with one equivalent of alcoholate former, e.g. alkalialcoholate or hydroxide and two equivalents of glycolmonoether, then the reaction with one equivalent of alkenyl halide is provided for, whereupon a mixture of the product and the glycolmonoether of the metal halide formed is filtered or distilled off, then this mixture is reacted with the second equivalent of the alcoholate former, whereupon the recovery of the product takes place distillatively from the reaction mixture and then, after addition of a further equivalent of glycolmonoether to the residue from the product recovery, the reaction with the first and the subsequent steps is carried out again.

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