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Merck and Co Inc
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Merck and Co Inc
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Application filed by Merck and Co IncfiledCriticalMerck and Co Inc
Publication of ES409205A1publicationCriticalpatent/ES409205A1/es
Un procedimiento para la preparación de un 1,2alfa-metilen-6,7alfa-dihalometilen-20- espirox-4-eno 3-oxigenado, que consiste en tratar una 1,2alfa-metilen-6,7alfa-dihalometilen- 17alfa-(3-hidroxipropil) -17beta-hidroxiandrost-4-en 3-ona con un agente capaz de cerrar el anillo.
ES409205A1970-03-191972-12-01Un procedimiento para la preparacion de un 1,2 alfa-metilen-6,7 alfa-dihalometilen-20-espirox-4-eno 3-oxigenado.
ExpiredES409205A1
(es)