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  • 1
    Electronic Resource
    Electronic Resource
    The state of β- keratin in thermally denatured keratin fibers (1968)
    New York : Wiley-Blackwell
    Biopolymers 6 (1968), S. 1515-1518 
    Details
    ISSN: 0006-3525
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bip.1968.360061019
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  • 2
    Electronic Resource
    Electronic Resource
    Polyenaminoesters from α,α′-bis(carbomethoxy)diacetylbenzenes and phenylene diamines (1980)
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Chemistry Edition 18 (1980), S. 3029-3041 
    Details
    ISSN: 0360-6376
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Polyenaminoesters are prepared by condensation of α,α′-bis(carbomethoxy)diacetylbenzenes with phenylene diamines in the presence of N,N-dimethylaniline hydrochloride. Thermogravimetric analysis allowed the determination of the optimum temperature at which to conduct cyclization of the polymers to form thermally stable polypyridoquinolones. The structures of the polymers were assigned by spectroscopic comparisons with appropriate model compounds.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1980.170181012
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  • 3
    Electronic Resource
    Electronic Resource
    Fourier transform NMR studies of organometallic compounds. II - synthesis and NMR spectroscopy of propenyl and isopropenyl derivatives of silicon and lead (1981)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 15 (1981), S. 263-267 
    Details
    ISSN: 0030-4921
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Isomeric mixtures of compounds MenM(CH=CHMe)4-n (M=Si, Pb; n=0-3) have been prepared and studied, as well as pure Me3M(CMe=CH2) and mixtures containing propenyl isopropenyl residues bonded to silicon and lead. 1H, 13C, 29Si and 207Pb NMR data are presented; as previously observed for the corresponding tin compounds, the 29Si and 207Pb shifts for the Me3MC3H5 isomers can be used to calculate the shifts expected for the other isomers; while for lead the agreement is good, calculated and observed values for silicon diverge with decreasing n due, at least in part, to steric factors.
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrc.1270150310
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  • 4
    Electronic Resource
    Electronic Resource
    ‘Anomalous’ 2J(Sn—H) coupling in mono- and dichloromethyltin compounds (1975)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 7 (1975), S. 59-60 
    Details
    ISSN: 0030-4921
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The linear relationship between the coupling constants 1J(Sn—13C) and 2J(Sn—H), observed for a number of organotin compounds, does not hold for coupling in the Sn—CHnCl3-n group of mono- and dichloromethyltin compounds. A complete determination of all NMR parameters of the compounds Me3Sn-CHnCl3-n (n = 0 to 3) shows no further anomalies, indicating that steric factors must be responsible for the unusually low values of 2J(Sn—H) in the SnCHnCl3-n group. Molecular weight measurements support this theory, showing that the chlorine-containing compounds are associated.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrc.1270070115
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  • 5
    Electronic Resource
    Electronic Resource
    Metal(loid) NMR data for 1,1-bis(trimethylmetal)alk-1-enes: Two-bond metal-metal coupling constants (1987)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 25 (1987), S. 1019-1021 
    Details
    ISSN: 0749-1581
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Metal(loid) NMR data are reported for a series of 1,1-bis(trimethylmetal)alk-1-enes of the type RR′C=C(MMe3)(M′Me3) (M = Si, Ge, Sn, Pb; M′ = Sn, Pb). These data are commented upon briefly, with particular respect to the two-bond metal-metal coupling constant.Two-bond coupling constants, heavier elements.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrc.1260251121
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  • 6
    Electronic Resource
    Electronic Resource
    Long-range tin-tin coupling constants. IIIFor Part II, see Ref. 1.-Four- and five-bond coupling via carbon (1987)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 25 (1987), S. 879-882 
    Details
    ISSN: 0749-1581
    Keywords: Tin-tin coupling constants ; Hyperconjugation ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Multinuclear NMR data (1 H, 13 C, 119 Sn) have been obtained for almost all possible isomers of the composition Me3Sn(C3Hm)SnMe3 (m = 2, 4, 6) and Me3Sn(C4Hn)SnMe3 (n = 0, 2, 4, 6, 8). The coupling constants xJ(Sn, Sn) (x = 4, 5) are not linearly related to the corresponding coupling constants xJ(H, H), but are particularly large when tin-carbon bonds can interact hyperconjugatively with carbon-carbon double or triple bonds.
    Additional Material: 5 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrc.1260251010
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  • 7
    Electronic Resource
    Electronic Resource
    Experimental test of karplus-type relationships for 3J(Sn, C) and 3J(Sn, H) (1988)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 26 (1988), S. 497-500 
    Details
    ISSN: 0749-1581
    Keywords: 1H NMR ; 13C NMR ; 119Sn NMR ; Organotin derivatives ; Karplus relationship ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Multinuclear (1H, 13C, 119Sn) NMR data are presented for a series of compounds of the type XMe2SnCHRCHR'CO2Me (X = Me, Cl; R, R' = Me, Ph). Values of 3J(H, H), 3J(Sn, H) and 3J(Sn, C) were used to assign the preferred conformations of these compounds and at the same time to test the empirical relationships proposed previously for 3J(Sn, C) and (indirectly) 3J(Sn, H); the validity of these relationships was confirmed.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrc.1260260612
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  • 8
    Electronic Resource
    Electronic Resource
    Siloxane-containing polyenaminoesters (1983)
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Chemistry Edition 21 (1983), S. 1305-1314 
    Details
    ISSN: 0360-6376
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Polyenaminoesters were prepared by condensation of succinyl succinic ester (SSE) and p-bis-carbomethoxy diacetyl benzene (CDB) with 1,3-bis(3-aminopropyl)-1,1,3,3-tetramethyldisiloxane. Conditions of solvent and temperature were discovered which yielded soluble polymer from SSE after heat treatment. CDB yields only tough, rubbery, insoluble products.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1983.170210507
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  • 9
    Electronic Resource
    Electronic Resource
    Electron microscopy study of twin behavior in GdBa2Cu3Ox and YBa2Cu3Ox (1988)
    New York, NY : Wiley-Blackwell
    Journal of Electron Microscopy Technique 8 (1988), S. 317-323 
    Details
    ISSN: 0741-0581
    Keywords: Superconductivity ; Perovskites ; Oxides ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Natural Sciences in General
    Notes: Twins are ubiquitous in the perovskite superconductors. They form during cooling from high temperatures through the tetragonal-to-orthorhombic phase transformation. Their behavior has been studied by transmission electron microscopy using a liquid-nitrogen-cooled specimen holder. It is observed that extra twins sometimes form in coarse-twinned regions to give a “refined” twin structure; this is thought to be induced by thermal stresses from the electron beam. Prolonged electron irradiation (with little beam heating) results in transformation to tetragonal with a loss of the twin structure; this is probably due to disordering of the oxygen sublattice by knock-on displacement. The same transformations can be induced by deliberate electron beam heating. In both cases the twinned orthorhombic structure can be restored by re-ordering of the oxygen ions, in the first case by removing the beam and in the second case by allowing the specimen to cool.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jemt.1060080311
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  • 10
    Electronic Resource
    Electronic Resource
    Electron microscopy of ceramic superconductors: A bibliography (1988)
    New York, NY : Wiley-Blackwell
    Journal of Electron Microscopy Technique 8 (1988), S. 339-341 
    Details
    ISSN: 0741-0581
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jemt.1060080313
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