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Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Process for the preparation of compounds of general formula wherein R is 2,6-dimethyl-1-cyclohexene -1-yl or substituted phenyl of formula wherein R1 and R2 is C1-C4-alkyl; R3 is C1-C4-alkyl, chloromethyl, C1-C4-alkoxy-methyl, cyclohexyl or cyclopropyl methyl; R4 is bromomethyl, mono- or dichloromethyl, by interaction of compound of general formula wherein X is chlorine or bromine; R and R4 are as defined, with alcohol of formula III R3OH, wherein R3 has specified meaning, at temperature of (-20)-(160) °C and molar ratio of 1-100 : 1. The process is carried out with removal of alcohol simultaneously with halogen hydride formed by feeding reaction mixture to rotation evaporator or downflow evaporator.
UA2566401A1977-10-261978-01-06Process for the production of haloacylamides
UA5921A1
(en)