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Bayer AG
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Bayer AG
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Priority to ES427448ApriorityCriticalpatent/ES427448A3/en
Publication of ES427448A3publicationCriticalpatent/ES427448A3/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Procedure for the preparation of N-tritylimidazoles, of general formula I: **(See formula)** where R, R1 and R2 represent members of the group consisting of hydrogen, low molecular weight alkyl radicals and phenyl, R1 and R2 together can form a group of benzene nuclei, X a member of the group consisting of alkyl groups and electronegative substituents, n an integer from 0 to 2, and n may have a different meaning on the individual benzene rings, characterized by imidazoles of general formula III **(See formula)** wherein R, R1 and R2 are defined as above, reacted with a compound of general formula IV: **(See formula)** where X and n are defined as above. (Machine-translation by Google Translate, not legally binding)
ES427448A1974-06-201974-06-20Procedure for the preparation of N-tritilimidazoles (Machine-translation by Google Translate, not legally binding)
ExpiredES427448A3
(en)
A method for obtaining a composition of polymers comprising the mixing of a selected polymer (Machine-translation by Google Translate, not legally binding)