Hydrolytic kinetic resolution of epoxides

   
   

The present invention provides a process for the preparation of an enantiomerically enriched non-racemic chiral diol and an enantiomerically enriched non-racemic chiral epoxy compound by a hydrolytic kinetic resolution reaction. The process includes the step of contacting oxygen and mixture including a racemic chiral epoxy compound, a non-racemic Co(II) complex catalyst, an aromatic carboxylic acid and water, at a temperature and length of time sufficient to produce a mixture of said non-racemic chiral diol and said non-racemic chiral epoxy compound. The present invention also provides a process for the preparation of an enantiomerically enriched non-racemic chiral diol and an enantiomerically enriched non-racemic chiral epoxy compound by a hydrolytic kinetic resolution reaction. This process includes the step of: contacting a racemic chiral epoxy compound and water in the presence of a non-racemic complex of Co(III) having an aryl carboxylate counter-anion, at a temperature and length of time sufficient to produce a mixture of said non-racemic chiral diol and said non-racemic chiral epoxy compound.

La presente invenzione fornisce un processo per la preparazione di un diol chiral non-racemico enantiomerically arricchito e un residuo a resina epossidica chiral non-racemico enantiomerically arricchito da una reazione cinetica idrolitica di risoluzione. Il processo include il punto di mettersi in contatto con l'ossigeno e la miscela compreso un residuo a resina epossidica chiral racemico, un catalizzatore complesso non-racemico di Co(II), un acido carbossilico aromatico e un'acqua, ad una temperatura e ad una durata sufficienti per produrre una miscela del diol chiral non-racemico detto e del residuo a resina epossidica chiral non-racemico detto. La presente invenzione inoltre fornisce un processo per la preparazione di un diol chiral non-racemico enantiomerically arricchito e un residuo a resina epossidica chiral non-racemico enantiomerically arricchito da una reazione cinetica idrolitica di risoluzione. Questo processo include il punto di: mettendosi in contatto con un residuo e un'acqua a resina epossidica chiral racemici in presenza di un complesso non-racemico di Co(III) che ha un contatore-anione arilico del carbossilato, ad una temperatura e ad una durata sufficienti per produrre una miscela del diol chiral non-racemico detto e del residuo a resina epossidica chiral non-racemico detto.

 
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