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.)
Faes Farma SA
Original Assignee
Fabrica Espanola de Productos Quimicos y Farmaceuticos FAES 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 Fabrica Espanola de Productos Quimicos y Farmaceuticos FAES SAfiledCriticalFabrica Espanola de Productos Quimicos y Farmaceuticos FAES SA
Priority to ES496919ApriorityCriticalpatent/ES8202807A1/en
Publication of ES496919A0publicationCriticalpatent/ES496919A0/en
Publication of ES8202807A1publicationCriticalpatent/ES8202807A1/en
Low-Molecular Organic Synthesis Reactions Using Catalysts
(AREA)
Polyurethanes Or Polyureas
(AREA)
Abstract
Procedure of obtaining of rent-furans. Consists of the following stages: 1. Reaction of the corresponding 2-mercaptometilfurano. 2. Reaction of the product obtained with N-alkyl-n '' - 2-bromoethyl-urea to obtain the corresponding tioeter, which is submitted in a third stage to a nitraction process in the presence of a condensation catalyst formed of ethelinic link. The general formula compound is obtained (I). (Machine-translation by Google Translate, not legally binding)
ES496919A1980-11-171980-11-17A procedure for the obtaining of rent-furans. (Machine-translation by Google Translate, not legally binding)
ExpiredES8202807A1
(en)
New procedure for obtaining acid salts from addition of 3-phenyl-5-dietilamino-etil-1,2-4, -oxodiazol. (Machine-translation by Google Translate, not legally binding)