Regeneration of polyborazylene

Details Regeneration of polyborazylene Regeneration of polyborazylene

C - Chemistry, Metallurgy

01

B

C01B 35/14 (2006.01) C01B 3/02 (2006.01)

Patent

CA 2713357

Method of producing ammonia borane, comprising providing polyborazylene; digesting the polyborazylene with a dithiol-containing agent to produce a boro-sulfide compound and a byproduct; converting the byproduct to the boro-sulfide product of step (b) by reaction with a first alkyl-tin hydride; and, converting the boro-sulfide compound produced in steps (b) and (c) to ammonia borane by reaction with a second alkyl-tin hydride.

La présente invention concerne un procédé de production de borane-ammoniac comprenant l'utilisation de polyborazylène ; la digestion du polyborazylène au moyen d'un agent contenant un dithiol en vue de la production d'un composé de sulfure de bore et d'un sous-produit ; la conversion du sous-produit en produit de type sulfure de bore de l'étape (b) par réaction avec un premier hydrure d'alkyle-étain ; et la conversion du composé de sulfure de bore produit aux étapes (b) et (c) en borane-ammoniac par réaction avec un second hydrure d'alkyle-étain.

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