ES220597A3 - A procedure for the preparation of a halogenated pentinoenol (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the preparation of a halogenated pentinoenol (Machine-translation by Google Translate, not legally binding)
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Pfizer Inc
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Pfizer Inc
Charles Pfizer and Co Inc
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Priority claimed from BE527148Aexternal-prioritypatent/BE527148A/en
Application filed by Pfizer Inc, Charles Pfizer and Co IncfiledCriticalPfizer Inc
Publication of ES220597A3publicationCriticalpatent/ES220597A3/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
A process for the preparation of a halogenated pent-ino-ene-ol of the general formula ** wherein r is hydrogen or an alkyl group with from 1 to 6 carbon atoms r is an alcoho group with from 1 to 7 carbon atoms, preferably an ethyl group r "is hydrogenated with from 1 to 6 carbon atoms or halogen preferably chloro or bromo and x is preferably chloro or bromo halogencaracterized because a compound having the general formula ** where r is hydrogen or an alkyl group with from 1 to 6 carbon atoms r 'is an alcoholic group with from 1 to 7 carbon atoms preferably an ethyl group and x is halogenopreferably chloro or bromose treated with an alkali metal acetylide in the presence of liquid ammonia. (Machine-translation by Google Translate, not legally binding)
ES0220597A1954-03-111955-03-10A procedure for the preparation of a halogenated pentinoenol (Machine-translation by Google Translate, not legally binding)
ExpiredES220597A3
(en)
A procedure for preparing new derivatives of 6-methyl and 1,6-dimethyl-8- (alpha-hydroxy-alkyl) -ergoline i (Machine-translation by Google Translate, not legally binding)