Coordination of fluorodialkylaminophosphines with boron acids. Formation of boron-phosphorus and boron-nitrogen bonds

Fleming, Suzanne; Parry, R. W.

doi:10.1021/ic50107a001

Cited by 36 publications

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“…Soc., Perkin Trans. 2 - [6.12 (4)]x + [7.516 (l)]y + [5.37 (4)]z = 7.45 (7) dev, Á: N, 0.44 plane P02C4C3 (B) -[2.64 (7)]x + [11.72 (4)]y + [6.18 (3)]z = 8.70 (3) dev, A: N, -0.29 dihedral angle between planes A and B, deg: 73.20 Torsion Angles (deg) Five-Membered Ring p-i 31-C1-C2 1.3 (6) P-02-C4-C3 1.6 (7) PI -C1-C2-N 17.5 (6) 02-C4-C3-N 10.3 (7) Cl -C2-N-P The nitrogen atom of 2b is clearly pyramidal (sum of the angles around N £N = 322.2). Comparison with the data available on ligand 1 in complex 5 ( = 333.6°) indicates a definite increase in the pyramidal character by N-coordination.…”

Section: Resultsmentioning

confidence: 99%

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Dibasic character of a bicyclic aminophosphane. Formation and crystal structure of H3B.P(OCMe2CH2)2N.BH3

Grec¹,

Hubert‐Pfalzgraf²,

Grand³

et al. 1985

Inorg. Chem.

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Section: Resultsmentioning

confidence: 99%

“…59-4-37; Oak Ridge National Laboratory: Oak Ridge, TN, 1971. Distances (Á) Bl-P 1.873 (7) N-C3 1.547 (6) B2-N 1.655 (8) C1-C2 Ol-Cl 02-C4 N-C2…”

Section: Introductionmentioning

confidence: 99%

Dibasic character of a bicyclic aminophosphane. Formation and crystal structure of H3B.P(OCMe2CH2)2N.BH3

Grec¹,

Hubert‐Pfalzgraf²,

Grand³

et al. 1985

Inorg. Chem.

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“…spectrum shows broad peaks at -1.03, -13.32, and -36.43 p.p.m. assignable to BH,=thf, the N-B bonded adduct(5), and the As-B bonded adduct (4) respectively. The As-B adduct is found to be in greater yield than the N-B adduct.…”

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confidence: 99%

Determination of the bonding preference of borane (BH3) toward aminoarsines by multinuclear nuclear magnetic resonance spectroscopy

Kanjolia¹,

Krannich²,

Watkins³

1986

J. Chem. Soc., Dalton Trans.

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The reactions of BH,.thf (thf = tetrahydrofuran) with selected (dialkylamino)dimethylarsines, Me,AsNR, (R = Me, Et, Pr", or Prl) have been carried out as a function of temperature to determine the initial co-ordination site of boron and t o elucidate the nature of any As-N, As-B, and N-B bond dissociation/formation processes in solution. The reactions were monitored by rnultinuclear (IH, "B, and 13C) n.m.r. spectroscopy over a temperature range of -90 to 25 "C. With Me,AsNMe,, a N-B bonded adduct is formed at low temperature, which decomposes at 25 "C to yield (Me,N B H, ), , Me,N H-BH,, p-Me,N B, H, , and Me,AsAsMe,. Equimolar amounts of As-B and N-B adducts are formed at low temperature when Me,AsNEt, is reacted with BH,-thf. With increasing temperature, the As-B adduct converts t o the N-B adduct, which subsequently decomposes at room temperature to p-Et,NB,H,, Et,NH-BH,, (Et,NBH,),, and Me,AsAsMe,. The reaction of Me,AsNPrn, with BH,-thf yields more of the As-B adduct than of the N-B adduct at -90 "C, but the former rearranges to the latter on warming. Only the As-B adduct is formed in the reaction of Me,AsNPr+, with BH,ethf. These results suggest that the steric bulkiness of the R, N moiety plays an important role in determining the co-ordination site of the boron in this series of compounds.

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“…(16) (a) Reference 1, p 92, Figures 3-6e; (b) ref 14a, p 175. (17) J. C. Huffman, D. C. Moody, and R. Schaeffer, J. Am.…”

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confidence: 99%

The synthesis and characterization of methylaminobis(difluorophosphine)-borane(3), -bis(borane(3)), and -triborane(7)

Paine¹

1977

Inorg. Chem.

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Coordination of fluorodialkylaminophosphines with boron acids. Formation of boron-phosphorus and boron-nitrogen bonds

Cited by 36 publications

References 0 publications

Dibasic character of a bicyclic aminophosphane. Formation and crystal structure of H3B.P(OCMe2CH2)2N.BH3

Dibasic character of a bicyclic aminophosphane. Formation and crystal structure of H3B.P(OCMe2CH2)2N.BH3

Determination of the bonding preference of borane (BH3) toward aminoarsines by multinuclear nuclear magnetic resonance spectroscopy

The synthesis and characterization of methylaminobis(difluorophosphine)-borane(3), -bis(borane(3)), and -triborane(7)

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