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Sagami Chemical Research Institute
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Sagami Chemical Research Institute
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Application filed by Sagami Chemical Research InstitutefiledCriticalSagami Chemical Research Institute
Priority to JP6943481ApriorityCriticalpatent/JPS57185233A/en
Publication of JPS57185233ApublicationCriticalpatent/JPS57185233A/en
Publication of JPS6353980B2publicationCriticalpatent/JPS6353980B2/ja
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
NEW MATERIAL:A 1,1-dialkoxy-2-trifluoromethylpropane expressed by formulaI (R is alkyl).
EXAMPLE: 1,1-Diethoxy-2-trifluoromethylpropane.
USE: A starting material for various chemicals having CF3 group, e.g. 2-trifluoromethylpropanal, a stable equivalent to the trifluoromethylpropanal, and usable as a reagent for introducing the 2-trifluoromethylpropyl group.
PROCESS: 2-Trifluoromethylpropanal expressed by formula II is reacted with an orthoformic ester expressed by the formula HC(OR)3 in a solvent in the presence of ammonium chloride at room temperature W100°C to give the compound expressed by formulaI.