King, Warren B., 1963-1964

King, Warren B.

doi:10.5962/bhl.title.139034

Cited by 9 publications

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“…The agreement between this electron impact bond dissociation energy determination and that from the second-law studies [6] is excellent. It has been pointed out elsewhere (15) that measurements of bond dissociation energies based on the energetics of ions arising from complex organometallic molecules are very dependent on the temperature of the sample inlet system and on ion source temperatures.…”

Section: Double Efsusion Cell Studiessupporting

confidence: 56%

Mass Spectrometric Studies of the Ionization and Thermal Decomposition of Tungsten π-Cyclopentadienyl Tricarbonyl Dimer

Krause¹,

Bidinosti²

1975

Can. J. Chem.

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The ionization and thermal decomposition of tungsten π-cyclopentadienyl tricarbonyl dimer [WC5H5(CO)3]2 was investigated using a mass spectrometer fitted with single and double cell molecular flow inlet systems.The electron impact mass spectrum and appearance potentials for the principle ions in the spectrum have been measured and recorded.The enthalpy change for the dissociation[Formula: see text]obtained from van't Hoff plots of the temperature dependence of the equilibrium constant was found to be 234.4 ± 3.8 kJ/mol. This result was substantiated by an electron impact value of 221.0 ± 20.1 kJ/mol based on an ionization potential for ·WC5H5(CO)3 of 7.66 ± 0.05 eV measured in the high temperature studies.

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Section: Double Efsusion Cell Studiessupporting

confidence: 56%

Mass Spectrometric Studies of the Ionization and Thermal Decomposition of Tungsten π-Cyclopentadienyl Tricarbonyl Dimer

Krause¹,

Bidinosti²

1975

Can. J. Chem.

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“…Two sets of three bands each have been designated Tf A and Tf B and have been shown to be genetically controlled by two codominant alleles, TfA and Tf v\ Two additional alleles have been found, Tfc [4,5] and TfD [8]. These alleles also appear to function as codominants.…”

Section: Discussionmentioning

confidence: 99%

New Allele in the Transferrin System of Pigs, Tf^EAmeS, an Apparent Mutation

Baker¹

1968

Vox Sanguinis

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“…Alkyl halides (7, 10, 19), trialkylboranes (20,21) and metal complexes (22,23) also coordinate preferentially at phosphorus.…”

Section: Introductionmentioning

confidence: 99%

Syntheses and properties of phosphino- and phosphinatopyrazoles

Fischer¹,

Hoyano²,

Peterson³

1976

Can. J. Chem.

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. Can. J. Chem. 54, 2710Chem. 54, (1976. The new P-N bonded phosphino-and phosphinatopyrazoles 4P(Mezpz)2, (pz)3PO, (Me2pz)3-PO, +2P(S)(Mezpz), (~z )~P S , and (C2H5)2P(pz) and the arsenic derivative ( p~)~A s have been prepared and characterized (pz = pyrazolyl, Me2pz = 3,5-dimethylpyrazolyl).The reactivity of the P-N bond in phosphinopyrazoles towards electrophiles and nucleophiles is discussed. HCI, HzO, CH30H, and BC13 cleave the P-N bond, presumably via attack at the 2-N site. BF3 forms 1 :1 adducts bonded to phosphorus which are reasonably stable in the solid state. CH31 forms a phosphonium salt with diphenyl(pyrazoly1)phosphine while other members of the series do not react. All members are inert toward CS2. Nucleophiles like sodium methoxide or phenyllithium displace the pyrazolyl moiety by attack at the phosphorus. Comparisons are made with the P-N bond in dialkylaminophosphines. On discute de la rQctivitC du lien P-N des phosphinopyrazoles vis-his des Clectrophiles et des nucl~ophiles. HCI, H20, CH30H et BC13 coupent le lien P-N probablement par une attaque au niveau du 2-N. BF3 conduit des adduits 1:l lies par le phosphore qui sont assez stables h 1'Ctat solide. CH31 forme un sel de phosphonium avec la diphCnyle(pyrazoly1e)phosphine alors que les autres termes de la sCrie ne riagissent pas. Tous les termes sont inertes vis-his le CS2. Des nuclCophiles comme mCthylate de sodium et le phCnyllithium dkplacent la partie pyrazolyle par une attaque au niveau du phosphore. On fait des comparaisons avec le lien P-N des dialkylaminophosphines.[Traduit par le journal]

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King, Warren B., 1963-1964

Abstract: Station is open Akepa, 2 Amskiki, 2 Creeper? Many KLepaio. Saw Junglefowlsearc hed in vain for Varied Tit. Returned to Hanalei 2015. Didn't bother to band because of moon. Decided to try at 0300 next naming instead.

Cited by 9 publications

References 0 publications

Mass Spectrometric Studies of the Ionization and Thermal Decomposition of Tungsten π-Cyclopentadienyl Tricarbonyl Dimer

Mass Spectrometric Studies of the Ionization and Thermal Decomposition of Tungsten π-Cyclopentadienyl Tricarbonyl Dimer

New Allele in the Transferrin System of Pigs, Tf^EAmeS, an Apparent Mutation

Syntheses and properties of phosphino- and phosphinatopyrazoles

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