| 摘要 |
PURPOSE:To obtain the titled compound which is an intermediate raw material for medicine and agricultural chemical at a low cost in high yield, by reacting alpha,beta-chloroethylalkylether which is used as a raw material with an alcohol in the presence of a dehydrochloric acid agent. CONSTITUTION:alpha,beta-Chloroethylalkylether which is used as a raw material is reacted with an alcohol in the presence of a dehydrochloric acid agent, preferably at molar ratio of the raw material/alcohol being 1.0-1.2mol. times at -20-30 deg.C, preferably 0-10 deg.C to provide the aimed compound expressed by the formula (X1 and X2 are H or Cl; R and R1 are 1-4C alkyl). tert. Amine such as triethylamine, tributylamine or pyridine is used as the dehydrochloric acid, preferably in the range of 1.0-1.3mol. times at a molar ratio to the raw material. tert. Amine hydrochloride produced as a by-product by the above- mentioned reaction is reused e.g. by adding an alkali water solution to the tert. amine hydrochloride to neutralize the amine hydrochloride and separating the liberated amine from the liquid.
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