ES434842A1 - Procedure for the preparation of esters of the oxima of erythromycin. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of esters of the oxima of erythromycin. (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.)
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.)
Dr Andreu SA
Original Assignee
Dr Andreu SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dr Andreu SAfiledCriticalDr Andreu SA
Priority to ES434842ApriorityCriticalpatent/ES434842A1/en
Publication of ES434842A1publicationCriticalpatent/ES434842A1/en
Procedure for the preparation of esters of erythromycin oxine, characterized in that the erythromycin oxine is reacted with the corresponding acid chloride, aliphatic or aromatic, in a medium consisting of an anhydrous organic solvent inert towards the reaction, in the presence of an alkali metal salt and bringing the reaction to room temperature, to obtain a compound of structural formula (I), defined in the present specification, in which R1 can be an aliphatic or aromatic acyl radical and R2 can be hydrogen or a radical aliphatic or aromatic acyl. (Machine-translation by Google Translate, not legally binding)
ES434842A1975-02-191975-02-19Procedure for the preparation of esters of the oxima of erythromycin. (Machine-translation by Google Translate, not legally binding)
ExpiredES434842A1
(en)
A procedure for the production of derivatives substituted of phenoxy-alpha-methylpropionic acid. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of amidas derived from the steres of piperazin-1 propionic acid. (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of acids 0- (1- (m-trifluo-romethylphenyl) -indazol-3-il) -a-alkyl-oxyacetics and their esters. (Machine-translation by Google Translate, not legally binding)
Procedure for preparing alkalinoterreas salts of 2, 2'-dihydroxi-3, 3 ', 5, 5'-tetrabromobipenyl monofosforic esther. (Machine-translation by Google Translate, not legally binding)