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
Application filed by American Cyanamid CofiledCriticalAmerican Cyanamid Co
Priority to ES0240760ApriorityCriticalpatent/ES240760A1/en
Publication of ES240760A1publicationCriticalpatent/ES240760A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
A method for producing members of the tetracycline series characterized by catalytically reducing a dehydrotetracycline having the formula wherein z is hydrogen chloride or bromine an epimer in 4a thereof until about two moles of hydrogen for each mole of 5a (11a) -dehydrotetracycline. (Machine-translation by Google Translate, not legally binding)
ES0240760A1958-03-151958-03-15A method to produce members of the tetracycline series (Machine-translation by Google Translate, not legally binding)
ExpiredES240760A1
(en)
A procedure for the obtaining by synthesis of 4-amino-3-isoxazolidone and its derivatives (Machine-translation by Google Translate, not legally binding)
A new procedure for the obtaining of benzodiacepinic derivatives with pharmacological activity. (Machine-translation by Google Translate, not legally binding)