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Roche Palo Alto LLC
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Roche Palo Alto LLC
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Priority to ES472098ApriorityCriticalpatent/ES472098A1/es
Publication of ES472098A1publicationCriticalpatent/ES472098A1/es
Procedimiento para la preparación de un complejo de halogenuro de magnesio mixto de ácido alfa-bromo propiónico de la fórmula general CH3CH(Br)-C00mgX, en la que X es cloro o bromo, caracterizado porque se hace reaccionar el ácido alfa-bromopropionico con un reactivo de Grignard de alcohil-magnesio con 1 a 12 átomos de carbono o de aril-magnesio con 6 a 9 átomos de carbono, preferentemente cloruro de metil-magnesio y bromuro de metil- magnesio, teniendo lugar la reacción en un disolvente orgánico aprótico que comprende un éter.
ES472098A1978-07-271978-07-27Procedimiento para la preparacion de un complejo de haloge- nuro de magnesio mixto de acido alfa-bromo propionico.
ExpiredES472098A1
(es)
Stereospecific synthesis of vinyl (phenyl) iodonium tetrafluoroborates via boron-iodane exchange of vinylboronic acids and esters with hypervalent phenyliodanes