ES246717A1 - A method of preparing new compounds of the tetracycline series (Machine-translation by Google Translate, not legally binding)
- Google Patents
A method of preparing new compounds of the tetracycline series (Machine-translation by Google Translate, not legally binding)
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Wyeth Holdings LLC
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American Cyanamid Co
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Publication of ES246717A1publicationCriticalpatent/ES246717A1/en
A method of preparing new compounds of the tetracycline series that have the formula generates ** (See formula) ** where R1 and R2 are low molecular weight alkyl radicals or together with the bound N form a heterocyclic ring, and where X is HO C1, Y is H or CH3, Z is H or OH, and A is H or N (CH3) 2, with the proviso that: a) when Z is OH, X is H only and Y is CH3 only; b) when Y is H, A is N (CH3) 2 only, characterized in that a compound of the tetracycline series having the general formula is reacted ** (See formula) ** with formaldehyde and a secondary aliphatic amine that has the formula (see formula) (Machine-translation by Google Translate, not legally binding)
ES0246717A1958-01-291959-01-23A method of preparing new compounds of the tetracycline series (Machine-translation by Google Translate, not legally binding)
ExpiredES246717A1
(en)