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.)
Merck and Co Inc
Original Assignee
Merck and Co Inc
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 Merck and Co IncfiledCriticalMerck and Co Inc
Priority to ES0299468ApriorityCriticalpatent/ES299468A1/en
Publication of ES299468A1publicationCriticalpatent/ES299468A1/en
Low-Molecular Organic Synthesis Reactions Using Catalysts
(AREA)
Abstract
Process for preparing substituted guanidine compounds, and especially a 4H-pyrazine- [2,3-d] [I, 3] oxacin-4-one, which comprises the reaction of an organic acid anhydride with a 3-aminopiracinoic acid . (Machine-translation by Google Translate, not legally binding)
ES0299468A1964-04-251964-04-25Procedure for preparing replaced guanidine compounds (Machine-translation by Google Translate, not legally binding)
ExpiredES299468A1
(en)
A procedure for preparing dihydrovimblastine, dihydrovincristine or dihydrodesmetilvinblastina. (Machine-translation by Google Translate, not legally binding)
Method of production of [2- (5-nitrofurfurilideno) hidrazino] thiophosphate 0,0-diethyll (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of heterocyclic esters of the acid tionotiolfosfºr- (con) -ico (Machine-translation by Google Translate, not legally binding)