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Istituto Luso Farmaco dItalia SpA
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Istituto Luso Farmaco dItalia SpA
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Improvements in the object of main patent no. 424,558 for "Procedure for obtaining carboxylic derivatives", of general formula. *** (see formula 1) *** (see formula 2) *** (see formula 3) in which R1 represents a group *** (see formula) and R2 represents a group of formula *** (see formula) characterized by the fact of reacting, respectively, a compound of general formula *** (see formula 4) *** (see formula 5) *** (see formula 6) in which R1 has the meaning defined above, R7 represents a methylene group and R8 represents an alkali or tertiary ammonium cation, with a compound of general formula *** (see formula) in which X represents a removable radical, such as a chlorine, bromine or iodine atom, or an acyloxy- or aryl-sulfonyl group, to obtain, respectively, a compound of the general formula *** (see formula 7) *** (see formula 8) *** (see formula 9) in which R1, R2 and R7 have the meanings defined above, and of subjecting these compounds to selective acid hydrolysis, to form the desired compounds, of general formula I, II or III, respectively. (Machine-translation by Google Translate, not legally binding)
ES462528A1976-12-091977-09-21Procedure for the obtaining of carboxilic derivatives. (Machine-translation by Google Translate, not legally binding)
ExpiredES462528A2
(en)
New procedure for obtaining acid salts from addition of 3-phenyl-5-dietilamino-etil-1,2-4, -oxodiazol. (Machine-translation by Google Translate, not legally binding)
ACID DERIVATIVES 5-METHYL-UREIDO-1,3,4-TIADIAZOLE-2-IL-SULFONILACETICO PRODUCTION OF THESE COMPOUNDS, AS WELL AS HERBICIDAL COMPOSITIONS CONTAINING THEM
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)