A general method for the fluorination of compounds containing boron-hydrogen bonds

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dc.contributor.advisorGeanangel, Russell
dc.contributor.committeeMemberBear, John L.
dc.contributor.committeeMemberWelch, Steven C.
dc.creatorVanPaasschen, John Matthew
dc.date.accessioned2022-06-22T20:15:51Z
dc.date.available2022-06-22T20:15:51Z
dc.date.issued1971
dc.description.abstractA method for the fluorination of compounds containing horon-hydrogen bonds using anhydrous hydrogen fluoride as the fluorinating agent is described. Trimethylamine-borane and tertiary-butylamine-borane are fluorinated sequentially, forming the heretofore unknown amlne-monofluoroborane and the amine-difluoroborane and the known amine-trifluoroborane and ammonium-tetrafluoroborate. Preliminary results are also presented on the methylamine-borane and lithium borohydride systems. The formation of the new partially fluorinated amine-boranes is confirmed. Proton and boron-11 n.m.r. data are presented for all of the trlmethylamlne-borane and tertlary-butylamlne-borane adducts. In addition, fluorine-19 n.m.r. data are presented for the trimethylamine-borane adducts. This method for the fluorination of hydridic hydrogens on boron requires no special equipment. The reaction can be run In the air (with precautions against excess moisture, In some cases) on a scale greater than 200 millimoles giving yields of better than 80%.
dc.description.departmentChemistry, Department of
dc.format.digitalOriginreformatted digital
dc.format.mimetypeapplication/pdf
dc.identifier.other13764703
dc.identifier.urihttps://hdl.handle.net/10657/9934
dc.language.isoen
dc.rightsThis item is protected by copyright but is made available here under a claim of fair use (17 U.S.C. Section 107) for non-profit research and educational purposes. Users of this work assume the responsibility for determining copyright status prior to reusing, publishing, or reproducing this item for purposes other than what is allowed by fair use or other copyright exemptions. Any reuse of this item in excess of fair use or other copyright exemptions requires express permission of the copyright holder.
dc.titleA general method for the fluorination of compounds containing boron-hydrogen bonds
dc.type.dcmiText
dc.type.genreThesis
thesis.degree.collegeCollege of Arts and Sciences
thesis.degree.departmentChemistry, Department of
thesis.degree.disciplineChemistry
thesis.degree.grantorUniversity of Houston
thesis.degree.levelMasters
thesis.degree.nameMaster of Science

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