Azolylborane adducts. Structural and conformation analysis by X-ray diffraction and NMR. Protic-hydric (C-Hδ+-δ-H-B) and protic-fluoride (C-Hδ+-δ-F-B) interactions

Itzia Irene Padilla-Martińez, Maria Jesús De Rosalez-Hoz, Hugo Tiahuext, Carlos Camacho-Camacho, Armando Ariza-Castolo, Rosalinda Contreras

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Abstract

The preparation, NMR and X-ray diffraction studies of a series of azolylboron hydrides derived from pyrrole, indoie, and carbazole coordinated with tetrahydrofuran, pyridine, and imidazoie are reported. The azolyl substituents are very electroattractive leading to an acidic boron atom which strongly coordinates with the Lewis bases. The stabilization of the -BH2- groups against disproportionation could be explained in terms of the interactions found between the acidic hydrogen atoms of the heterocycles (C-Hδ+ acceptor) and the hydrides (B-Hδ- donors). © VCH VeriagsgeseHschaft mbH 1996.
Original languageAmerican English
Pages (from-to)441-449
Number of pages396
JournalChemische Berichte
DOIs
StatePublished - 1 Jan 1996

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Fluorides
boron
Hydrides
fluoride
nuclear magnetic resonance
Conformations
stabilization
X-ray diffraction
Lewis Bases
Nuclear magnetic resonance
hydrogen
X ray diffraction
Atoms
Hydrogen
Pyrroles
Boron
Stabilization
Pyridine
analysis
pyridine

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Padilla-Martińez, Itzia Irene ; De Rosalez-Hoz, Maria Jesús ; Tiahuext, Hugo ; Camacho-Camacho, Carlos ; Ariza-Castolo, Armando ; Contreras, Rosalinda. / Azolylborane adducts. Structural and conformation analysis by X-ray diffraction and NMR. Protic-hydric (C-Hδ+-δ-H-B) and protic-fluoride (C-Hδ+-δ-F-B) interactions. In: Chemische Berichte. 1996 ; pp. 441-449.
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abstract = "The preparation, NMR and X-ray diffraction studies of a series of azolylboron hydrides derived from pyrrole, indoie, and carbazole coordinated with tetrahydrofuran, pyridine, and imidazoie are reported. The azolyl substituents are very electroattractive leading to an acidic boron atom which strongly coordinates with the Lewis bases. The stabilization of the -BH2- groups against disproportionation could be explained in terms of the interactions found between the acidic hydrogen atoms of the heterocycles (C-Hδ+ acceptor) and the hydrides (B-Hδ- donors). {\circledC} VCH VeriagsgeseHschaft mbH 1996.",
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Azolylborane adducts. Structural and conformation analysis by X-ray diffraction and NMR. Protic-hydric (C-Hδ+-δ-H-B) and protic-fluoride (C-Hδ+-δ-F-B) interactions. / Padilla-Martińez, Itzia Irene; De Rosalez-Hoz, Maria Jesús; Tiahuext, Hugo; Camacho-Camacho, Carlos; Ariza-Castolo, Armando; Contreras, Rosalinda.

In: Chemische Berichte, 01.01.1996, p. 441-449.

Research output: Contribution to journalArticle

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AU - Padilla-Martińez, Itzia Irene

AU - De Rosalez-Hoz, Maria Jesús

AU - Tiahuext, Hugo

AU - Camacho-Camacho, Carlos

AU - Ariza-Castolo, Armando

AU - Contreras, Rosalinda

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