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Halcon International Inc
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Halcon International Inc
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Publication of ES417174A1publicationCriticalpatent/ES417174A1/en
Low-Molecular Organic Synthesis Reactions Using Catalysts
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Catalysts
(AREA)
Abstract
Process for preparing 1,4-dicyanobutene, characterized in that it comprises isomerizing 2-methyleneglutaronitrile at a temperature of 100-700ยบ c, in the presence of a basic catalyst and of hydrogen cyanide, or a precursor of hydrogen cyanide; and recovering 1,4-dicyanobutenes from the isomerization mixture. (Machine-translation by Google Translate, not legally binding)
ES417174A1971-11-151973-07-23Procedure for preparing 1,4-dicianobuteno. (Machine-translation by Google Translate, not legally binding)
ExpiredES417174A1
(en)
Procedure for the preparation of a solid compound of a method of transition resulting from the reaction of a composite of a transition metal with the hydroxychloride of a divalent metal. (Machine-translation by Google Translate, not legally binding)
A procedure for the treatment of a mixture of symmetrical and asymmetric diclorotetrafluorethane. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of N- (2-amino-3,5-dibromobenciliden) -trans-4-amino-ciclohexanol. (Machine-translation by Google Translate, not legally binding)