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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid Co
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Filing date
Publication date
Priority claimed from US845304Aexternal-prioritypatent/US3036129A/en
Application filed by American Cyanamid CofiledCriticalAmerican Cyanamid Co
Publication of ES255664A1publicationCriticalpatent/ES255664A1/en
A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
A61K31/00—Medicinal preparations containing organic active ingredients
A61K31/65—Tetracyclines
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Health & Medical Sciences
(AREA)
Chemical & Material Sciences
(AREA)
Medicinal Chemistry
(AREA)
Pharmacology & Pharmacy
(AREA)
Epidemiology
(AREA)
Life Sciences & Earth Sciences
(AREA)
Animal Behavior & Ethology
(AREA)
General Health & Medical Sciences
(AREA)
Public Health
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Veterinary Medicine
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
A process for producing halogenated tetracyclines, characterized by reacting a tetracycline compound with an electrophilic halogen source in the presence of a strong acid. (Machine-translation by Google Translate, not legally binding)
ES0255664A1959-02-261960-02-10A procedure to produce halogenated tetracyclines (Machine-translation by Google Translate, not legally binding)
ExpiredES255664A1
(en)
Procedure for the obtaining of a difficult derivative solubility of the calicreine inactivator (Machine-translation by Google Translate, not legally binding)