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Application filed by Lek, Tovarna Farmacevtskih In KemicnihizdelkovfiledCriticalLek, Tovarna Farmacevtskih In Kemicnihizdelkov
Priority to BG044667ApriorityCriticalpatent/BG30923A3/en
Publication of BG30923A3publicationCriticalpatent/BG30923A3/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Метод за получаване на 2-(3-бензоилфенил)пропионова киселина чрез окситалиране, характеризиращ се с това, че 3-пропил-бензофенон се окситалира с талиева (iii) сол, за предпочитане иев нитрат, нанесена върху кисела монтморилонитна пръст в среда на инертен органичен разтворител или разтворена в излишък на три-метид-ортоформиат и/ или негова смес с метанол, след което полученият естер се хидролизира при температура от 20' до 80'с, за предпочиатне 65'-70'. Патентните претенции са формулирани в 2 точки.A method for the preparation of 2-(3-benzoylphenyl)propionic acid by oxytalation, characterized in that 3-propyl-benzophenone is oxytalized with a thallium (iii) salt, preferably iodine nitrate, deposited on acidic montmorillonite earth in an inert environment organic solvent or dissolved in an excess of tri-methide-orthoformate and/or its mixture with methanol, after which the resulting ester is hydrolyzed at a temperature of 20' to 80'C, preferably 65'-70'. The patent claims are formulated in 2 points.
BG044667A1979-08-161979-08-16Method for obtaining of 2- (3- benzoilphenil)- p opionic acid
BG30923A3
(en)
APPLICATION OF A MIXTURE OF D, 1-2- (6-METHOXY-2-NAPHTHYL) PROPIONIC ACID WITH AN OPTIC ACTIVE BASE FOR THE PREPARATION OF D-2- (6-METHOXY-2-NAPHTYL) PROPIONIC ACID
A process for the preparation of acids 2- (6-metoxy2'naftil) propionico and 2- (6-metoxy-2-naftil) -1-propanol. (Machine-translation by Google Translate, not legally binding)