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.)
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Leo Pharma AS
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Leo Pharmaceutical Products Ltd AS
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Priority claimed from DK72258Aexternal-prioritypatent/DK92900C/en
Priority claimed from DK161358Aexternal-prioritypatent/DK89347C/en
Application filed by Leo Pharmaceutical Products Ltd ASfiledCriticalLeo Pharmaceutical Products Ltd AS
Publication of ES247652A1publicationCriticalpatent/ES247652A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Method for producing d (-) - 1: 23: 4 -diepoxybutane which is characterized by treating with a strong base a dihalobutanediol selected from the group consisting of l (-) - 2: 3-dichlorobutane-23-dioll (-) - 23 -dibromobutane-14-diold (-) - 14-dichlorobutane-23-diol and d (-) - 14-dibromobutane-23-diol after which d (-) - 1:23 is isolated from the reaction mixture: 4-diepoxybutane thus formed. (Machine-translation by Google Translate, not legally binding)
ES0247652A1958-03-011959-03-02A method to produce d (-) - 1: 2, 3: 4 -diepoxibutane (Machine-translation by Google Translate, not legally binding)
ExpiredES247652A1
(en)