PRODUCTION OF CYCLIC CARBONATE
PURPOSE:To simply obtain the titled compound useful in various fields such as additives for specific ink, e.g. high speed recording ink jet or reaction solvent, by reacting a diol used as a raw material with a dialkylcarbonate using a basic catalyst as a catalyst. CONSTITUTION:A 1,3-diol or 1,2-diol...
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| creator | KISO YOSHIHISA IMAGAWA MASAO MATSUNAGA YUICHI |
| description | PURPOSE:To simply obtain the titled compound useful in various fields such as additives for specific ink, e.g. high speed recording ink jet or reaction solvent, by reacting a diol used as a raw material with a dialkylcarbonate using a basic catalyst as a catalyst. CONSTITUTION:A 1,3-diol or 1,2-diol which is used as a raw material is reacted with a dialkylcarbonate in the presence of a basic catalyst (preferably strongly basic substance) under ordinary pressure - pressure (normally 10atm.) at 60-180 deg.C and then preferably the resultant reaction mixture is subjected to heating and aging treatments under reduced pressure in the presence of a basic catalyst to provide the aimed compound. The dialkylcarbonate are used at a ratio of 0.1-10mol., preferably 1-2mol. to 1mol. diol. The basic catalyst is used at a ratio of preferably 0.001-0.005mol. to 1mol. diol. |
| format | Patent |
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CONSTITUTION:A 1,3-diol or 1,2-diol which is used as a raw material is reacted with a dialkylcarbonate in the presence of a basic catalyst (preferably strongly basic substance) under ordinary pressure - pressure (normally 10atm.) at 60-180 deg.C and then preferably the resultant reaction mixture is subjected to heating and aging treatments under reduced pressure in the presence of a basic catalyst to provide the aimed compound. The dialkylcarbonate are used at a ratio of 0.1-10mol., preferably 1-2mol. to 1mol. diol. 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| subjects | APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | PRODUCTION OF CYCLIC CARBONATE |
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