PROCESS TO PRODUCE A MONO VINYL ETHER
A process produces a mono vinyl ether, R-O-CH═CH2. R represents an organic group with at least three carbon atoms. The process involves reacting a mono hydroxy compound. R-OH, with acetylene in presence of a catalyst to get a product mixture containing the mono vinyl ether, unconverted mono hydroxy...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | A process produces a mono vinyl ether, R-O-CH═CH2. R represents an organic group with at least three carbon atoms. The process involves reacting a mono hydroxy compound. R-OH, with acetylene in presence of a catalyst to get a product mixture containing the mono vinyl ether, unconverted mono hydroxy compound, and the catalyst. To the product mixture, an ester is added that contains at least one ester group, X-O2C-. X is a hydrocarbon group containing less carbon atoms than R. The remaining mono hydroxy compound R-OH is reacted with the ester in the presence of the catalyst to get a transesterification product containing at least one ester group, R-O2C-, and an alcohol, X-OH. The mono vinyl ether is isolated from the product mixture obtained after the ester addition, optionally followed by purification of the mono vinyl ether by distillation. |
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