Economical and convenient procedures for the synthesis of catecholborane
AssigneeSigma-Aldrich Co.
InventorHerbert C. Brown
Life of this patent
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Abstract
New, economical and convenient procedures for the preparation of catecholborane in high chemically pure form using tri-O-phenylene bis borate readily prepared from the reaction of catechol with boric acid, and diborane or borane-Lewis base complexes.
Claims8
An improved process for the preparation of catecholborane comprising the reaction of tri-O-phenylene bis borate with diborane.
An improved process for the preparation of catecholborane involving the reaction of tri-O-phenylene bis borate with a borane-Lewis base, complex without any solvent.
An improved process for the preparation of catecholborane involving the reaction of tri-O-phenylene his borate with a selected Lewis base-borane complex in an appropriate solvent.
Dependencies are inferred from the claim text.