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Boehringer Ingelheim Pharma GmbH and Co KG
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Dr Karl Thomae GmbH
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Publication of ES257341A1publicationCriticalpatent/ES257341A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Process for obtaining substituted ureas of the general formula ** (See formula) ** where the radicals R, which may be the same or different, represent a chlorine or bromine atom, characterized by the fact that compounds of the formula AR 'are converted with amines of the formula B-NH2, where A, if B represents the group methyl, represents the rest ** (See formula) ** where R has the meaning indicated above, or, if B represents the rest ** (See formula) ** A represents the methyl group and R 'represents the groups -N = C = O, -NH-COC1 or -NH-COOR' ', where R "is an alkyl, aralkyl or aryl moiety. (Machine-translation by Google Translate, not legally binding)
ES0257341A1959-04-181960-04-13Procedure for obtaining substitute ureas (Machine-translation by Google Translate, not legally binding)
ExpiredES257341A1
(en)
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