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.)
Sandoz Industrial Products SA
Original Assignee
Gema 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 Gema SAfiledCriticalGema SA
Priority to ES441581ApriorityCriticalpatent/ES441581A1/en
Priority to FR7533943Aprioritypatent/FR2290412A1/en
Priority to NL7513078Aprioritypatent/NL7513078A/en
Priority to DE19752550039prioritypatent/DE2550039A1/en
Priority to US05/629,786prioritypatent/US4072710A/en
Priority to JP50133640Aprioritypatent/JPS51125210A/en
Priority to GB46400/75Aprioritypatent/GB1520297A/en
Publication of ES441581A1publicationCriticalpatent/ES441581A1/en
PROCEDURE FOR THE PREPARATION OF ACID CHLORIDES THROUGH THE USE OF A GENERAL FORMULA SILILE ESTER ** FORMULA ** WHERE R CAN BE ALIPHATIC, AROMATIC, ALKYLAROMATIC, HIGH-CYCLE AND R1-RICH, AND MAY HAVE SUBSTITUTES OF R3 MOLECULAR OR PHENYLS. THE SILICON ESTER IS REACTIONED WITH THIONYL OR CARBONYL CHLORIDE IN INERT SOLVENT AND TEMPERATURE BETWEEN 15 AND 50 DEGREES C TO OBTAIN THE ACID CHLORIDE. (Machine-translation by Google Translate, not legally binding)
ES441581A1974-11-091975-10-08Method for the preparation of acid chloride. (Machine-translation by Google Translate, not legally binding)
ExpiredES441581A1
(en)
Procedure for the obtaining of N-substituted derivatives of aquilaril-tiolcarbonic acids. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of ester cis 3,3,5-tri-methylcychlonic of the dl-alpha-nicotinoiloxyphenylaceal acid. (Machine-translation by Google Translate, not legally binding)