PREPARATION OF UNSATURATED KETONES
Unsaturated ketones are produced from ketones and paraformaldehyde under mild reaction conditions utilizing a catalyst comprising a halogen acid salt of a secondary amine and a small amount of a carboxylic acid. Temperatures of 120-150.degree.C and pressures of 775-1135 kilopascals are preferred. Di...
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Main Authors | , |
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Format | Patent |
Language | English French |
Published |
30.12.1997
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Edition | 5 |
Subjects | |
Online Access | Get full text |
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Summary: | Unsaturated ketones are produced from ketones and paraformaldehyde under mild reaction conditions utilizing a catalyst comprising a halogen acid salt of a secondary amine and a small amount of a carboxylic acid. Temperatures of 120-150.degree.C and pressures of 775-1135 kilopascals are preferred. Di-unsaturated ketones such as divinyl ketone may also be produced; if the starting ketone already has an unsaturated group, a second unsaturated group will be produced. |
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Bibliography: | Application Number: CA19902026779 |