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  • Chemistry  (9)
  • CTM2008-04517; CTM2009-06269-E; CTM2010-11955-E/MAR; DATE/TIME; EMSODEV; EMSO implementation and operation: DEVelopment of instrument module; EMSO-Link; ES5110020; Fixed Point Open Ocean Observatories Network; FixO3; Humidity, relative; Implementation of the Strategy to Ensure the EMSO ERICs Long-term Sustainability; Instalació de sensors en observatorio submari expansible OBSEA; Instalacion de equipos en superfície para la ampliación de las prestaciones del observatorio submarino obsea; Instrumentación y tecnologías aplicadas al estudio, caracterización y explotación sostenible del medio marino; Integración de sensores para monitorización submarina en una red con sincronización temporal; Interoperabilidad e instrumentación de plataformas autónomas marinas para la monitorización sísmica; Interoperabilidad en redes de sensores marinos y ambientales; Interoperabilitat en xarxes de sensors marins i ambientals; INTIMAS; INTMARSIS; JERICO-NEXT; Joint European Research Infrastructure network for Coastal Observatory – Novel European eXpertise for coastal observaTories; MarInTech; MELOA; MeteoMet2; Metrology for essential climate variables; Multi-purpose/Multi-sensor Extra Light Oceanography Apparatua; NeXOS; Next generation, Cost-effective, Compact, Multifunctional Web Enabled Ocean Sensor Systems Empowering Marine, Maritime and Fisheries Management; Nuevas tecnologías para el seguimiento de la acidificación marina en el espacio natural Costa del Garraf; OBSEA:UPC:2009-05; Operatividad laboratorio submarino obsea; OPOBSEA; Precipitation; Pressure, atmospheric; PT2009-0080; Redes de sensores submarinos acústicos aplicados al seguimiento de especies de interes comercial; Redes de sensores submarinos autónomos y cableados aplicados a la monitorización remota de indicadores biológicos; RESBAC; RESBIO; SARTI-MAR; SINEOS; Sismòmetre marí digital amb connexió per cable; Sistemas inalambricos para la extension de observatorios submarinos; Sistemes dAdquisició Remota de dades i Tractament de la Informació en el Medi Marí; Temperature, air; VALTEC09-1-0059; Weather Station, Vantage Pro2, Davis; Wind direction; Wind speed
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  • 2015-2019
  • 1985-1989  (9)
  • 1985  (9)
Collection
Keywords
  • Chemistry  (9)
  • CTM2008-04517; CTM2009-06269-E; CTM2010-11955-E/MAR; DATE/TIME; EMSODEV; EMSO implementation and operation: DEVelopment of instrument module; EMSO-Link; ES5110020; Fixed Point Open Ocean Observatories Network; FixO3; Humidity, relative; Implementation of the Strategy to Ensure the EMSO ERICs Long-term Sustainability; Instalació de sensors en observatorio submari expansible OBSEA; Instalacion de equipos en superfície para la ampliación de las prestaciones del observatorio submarino obsea; Instrumentación y tecnologías aplicadas al estudio, caracterización y explotación sostenible del medio marino; Integración de sensores para monitorización submarina en una red con sincronización temporal; Interoperabilidad e instrumentación de plataformas autónomas marinas para la monitorización sísmica; Interoperabilidad en redes de sensores marinos y ambientales; Interoperabilitat en xarxes de sensors marins i ambientals; INTIMAS; INTMARSIS; JERICO-NEXT; Joint European Research Infrastructure network for Coastal Observatory – Novel European eXpertise for coastal observaTories; MarInTech; MELOA; MeteoMet2; Metrology for essential climate variables; Multi-purpose/Multi-sensor Extra Light Oceanography Apparatua; NeXOS; Next generation, Cost-effective, Compact, Multifunctional Web Enabled Ocean Sensor Systems Empowering Marine, Maritime and Fisheries Management; Nuevas tecnologías para el seguimiento de la acidificación marina en el espacio natural Costa del Garraf; OBSEA:UPC:2009-05; Operatividad laboratorio submarino obsea; OPOBSEA; Precipitation; Pressure, atmospheric; PT2009-0080; Redes de sensores submarinos acústicos aplicados al seguimiento de especies de interes comercial; Redes de sensores submarinos autónomos y cableados aplicados a la monitorización remota de indicadores biológicos; RESBAC; RESBIO; SARTI-MAR; SINEOS; Sismòmetre marí digital amb connexió per cable; Sistemas inalambricos para la extension de observatorios submarinos; Sistemes dAdquisició Remota de dades i Tractament de la Informació en el Medi Marí; Temperature, air; VALTEC09-1-0059; Weather Station, Vantage Pro2, Davis; Wind direction; Wind speed
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  • Inorganic Chemistry  (4)
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  • 2015-2019
  • 1985-1989  (9)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Über Struktur und Stereoselektivität von 2-Norbornen-7-yl-Radikalen und -Carbenoiden (1985)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 118 (1985), S. 4281-4284 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: On the Structure and Stereoselectivity of 2-Norbornen-7-yl Radicals and CarbenoidsReduction of 7,7-diiodonorbornene (1) with Grignard reagents proceeds via the 7-iodo-2-norbornen-7-yl radical 2. From the observed syn-stereoselectivity, the absence of π-delocalization in 2 is inferred. This result agrees with the existence of an equilibrium mixture of two classical pyramidal structures (2a and 2b), in which the syn-isomer 2a predominates. The reaction of 1 with methyllithium takes place with anti-stereoselectivity; this fact proves that the anti-carbenoid 4b-M is more stable than the syn-isomer.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19851181035
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  • 2
    Electronic Resource
    Electronic Resource
    Selektivität bei der Umsetzung von Carbokationen mit Nucleophilen, 2. Solvolyse-Mechanismen bei 7-Norbornyl-trifluormethansulfonaten (1985)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 118 (1985), S. 2557-2560 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Selectivity in the Reaction of Carbocations with Nucleophiles, 2. Solvolytic Mechanisms of 7-Norbornyl TrifluoromethanesulfonatesThe reactions of 7,7-bis(trifluoromethylsulfonyloxy)norbornane (4) with several metal cyanides in dipolar aprotic solvents are studied. The results obtained (Table 1) lead to the conclusion that the solvolysis of 7-substituted 7-norbornyl trifluoromethanesulfonates takes place either according to a kc mechanism or with fission of the S — O bond. In no instance is a C — O fission following an SN2 mechanism to be expected. - The selectivity of the reaction of the intermediate carbocations with nucleophiles cannot be explained by means of N+ correlations nor by the reactivity-selectivity relationship, but can be rationalized according to the HSAB principle.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19851180632
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  • 3
    Electronic Resource
    Electronic Resource
    Mechanismus der Reaktion von Trifluormethansulfonsäureanhydrid mit Ketonen: Umsetzung mit Campher (1985)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 118 (1985), S. 1282-1288 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Mechanism of the Reaction of Trifluoromethanesulfonic Anhydride with Ketones: Reaction with CamphorReaction of camphor (1) with trifluoromethanesulfonic anhydride (Tf2O) in the absence of base yields a mixture of 2,2-bis(trifluoromethylsulfonyloxy)camphane (9), 1,2-bis(trifluoromethylsulfonyloxy)-endo-isocamphane (10), and 2,4-bis(trifluoromethylsulfonyloxy)-endo-isocamphane (11). The ratio of these compounds depends on the reaction temperature. 9, 10, and 11 could not be isolated because, during the final aqueous treatment, they undergo hydrolysis leading to 1, 1-camphenyl triflate (2), and 4-camphenyl triflate (3). In the presence of 2,6-di-tert-butyl-4-methylpyridine (DTBMP) 2 is the main reaction product. The reaction rate is independent of the base concentration. It can be inferred that the base only neutralized the trifluoromethanesulfonic acid (TfOH), without reaction with Tf2O. - Reaction of 2 with TfOH in dichloromethane takes place with addition and Nametkin rearrangement. The ratio of these reactions depends on the reaction temperature. No rearrangement products are obtained in the reaction of 1 with TfOH. The reaction paths for the reaction of 1 with Tf2O are compared with those for other ketones, and some conclusions on the electronic requirements of the Nametkin rearrangement are inferred.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19851180344
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  • 4
    Electronic Resource
    Electronic Resource
    Theoretical prediction of heterogeneous one-dimensional heat transfer coefficients for fixed-bed reactors (1985)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 31 (1985), S. 868-870 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690310527
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  • 5
    Electronic Resource
    Electronic Resource
    Curing of new trimellitimide glycidyl ester derivatives with aromatic diamines (1985)
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 136 (1985), S. 159-175 
    Details
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Die Aushärtungsreaktion von neuen, Imidgruppen enthaltenden Epoxidharzen mit zwei aromatischen primären Diaminen (m-Phenylendiamin und Diaminodiphenylmethan) wurde untersucht. Der Polymerisationsverlauf wurde mittels spektroskopischer Methoden (IR und 13C-NMR) verfolgt. Die Aushärtung geschah hauptsächlich durch die Kettenverlängerung bei niedrigen Temperaturen, sie verlief jedoch nicht besonders rasch. Die Vernetzung trat durch Polykondensation von sekundären Aminogruppen mit Epoxiden bei Erreichen des Gelpunktes ein (ca. 15 h bei 60°C). Der Einfluß von Verunreinigungen, die als Katalysatoren wirken, kann durch die Reaktionsgeschwindigkeit bestimmt werden. Auf diese Weise wurde eine kinetische Studie durchgeführt. Das thermische Verhalten dieser ausgehärteten Epoxidharze wurde ebenfalls untersucht.
    Notes: The cure behaviour of new epoxy resins containing a preformed imide ring with m-phenylenediamine (mPDA) and diaminodiphenylmethane (DDM) was investigated. The progress of polymerization was followed by recording IR and 13C-NMR spectra at time intervals. The curing proceeded mainly by chain extension at low temperatures, the reaction being not very fast, whereas crosslinking occurred as the gel point was reached (about 15 h at 60°C) by reaction of secondary amino groups with epoxides. Impurities influence, playing the part of catalysts, could be determined from the reaction rate of glycidyl and amino groups. So a kinetic study was made. The thermal behaviour of these cured epoxy resins was also studied.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/apmc.1985.051360112
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  • 6
    Electronic Resource
    Electronic Resource
    Synthesis, characterization, and thermal behaviour of new epoxy polyesterimides (1985)
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 133 (1985), S. 97-109 
    Details
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Neue Epoxyharze mit Imidgruppen wurden durch Reaktion einer Säure, die durch Kondensation von Trimellitsäureanhydrid und Diaminen (aromatischen oder aliphatischen) gewonnen wurde, und deren Glycidylesterderivat hergestellt. Die Reaktion wurde in N-Methylpyrrolidon (NMP) in verschiedenen Molverhältnissen durchgeführt.Die Struktur des Polymeren wurde durch IR-, NMR-Spektren und Elementaranalyse ermittelt.Die neuen Polymeren sind in polaren organischen Lösungsmitteln löslich und zeigen gute thermische Beständigkeit. Zwischen den Polymeren, die aliphatische oder aromatische Diamine enthalten, wurden Unterschiede beobachtet.
    Notes: New epoxy resins have been synthesized by the reaction of diimide-diacids trimellitimide derivatives containing different aliphatic and aromatic fragments in N-methyl pyrrolidone (NMP) with their corresponding diglycidylesters, using several molar ratios. The polymer composition has been determinated by chemical and elemental analyses. Their IR, 1H, and 13C NMR spectral data allowed to confirm the structural unit. Epoxy polyesterimides are soluble in polar organic solvents and show good thermal resistance. Differences on the basis of the introduced aliphatic or aromatic fragments were observed.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/apmc.1985.051330108
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  • 7
    Electronic Resource
    Electronic Resource
    Photolysis of enol acetates and α-bromo derivatives of o-(acyloxy)acetophenones (1985)
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1985 (1985), S. 589-598 
    Details
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Photolyse von Enolacetaten und α-Bromderivaten von o-(Acyloxy)acetophenonenUV-Bestrahlung der Enolacetate 3a - g in Benzol liefert o-(Acetoxy)acetophenone 2 und 2-Methyl-chromone 4 als Hauptprodukte. Unter den gleichen experimentellen Bedingungen bleiben die Dimethylderivate 3h und 3i unverändert. Das α-Bromketon 5a liefert in Abhängigkeit von den Bestrahlungsbedingungen Mischungen aus o-(Acetoxy)acetophenon (2a), dem Diketon 6 und/oder α-Acetoxy-o-hydroxyacetophenon (7). Die Ähnlichkeiten und Unterschiede zwischen beiden Reihen von Experimenten sowie mechanistische Überlegungen werden diskutiert.
    Notes: UV irradiation of enol acetates 3a - g in benzene gives mainly o-(acetoxy)acetophenones 2 and 2-methylchromones 4. Under the same conditions, the dimethyl derivatives 3h and 3i remain unaffected. The α-bromo ketone 5a gives rise to mixtures of o-(acetoxy)acetophenone (2a), the diketone 6, and/or α-acetoxy-o-hydroxyacetophenone (7), depending on the irradiation conditions. The similarities and differences between the two series of experiments, as well as their possible mechanistic implications, are discussed.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jlac.198519850320
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  • 8
    Electronic Resource
    Electronic Resource
    Study on the System CoSeO4—NiSeO4—H2O at 30°C Crystal Structure of CoSeO4 · 5 H2O (1985)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 528 (1985), S. 183-190 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Das System CoSeO4-NiSeO4—H2O bei 30°C. Kristallstruktur des CoSeO4 · 5 H2OEs wird das System CoSeO4—NiSeO4—H2O bei 30°C untersucht. Die Kristallwerden aus wäßriger Lösung durch langsames Eindampfen erhalten. Die gefundenen Phasen sind CoSeO4 · 5 H2O und NiSeO4 · 6 H2O; CoSeO4 · 6 H2O wird dann gefunden, wenn die Kristallisation der Co-Verbindung in Gegenwart von Ni erfolgt. Diese drei Phasen zeigen einen begrenzten Ersatz des Metalls auf Grund von Röntgenpulverdaten. Die Kristallstruktur des CoSeO4 · 5 H2O ist triklin, a = 6.435(1), b = 10,703(2), c = 6,220(1) Å, α = 98,71(1), β = 109,60(2), γ = 75,54(1)°, P1, Z = 2. Verfeinerung bis zu R = 0,032 für alle beobachteten Reflexe. Die Kristallstruktur ist isostrukturell zu CuSO4 · 5 H2O und besteht aus Ketten von Co(H2O)4-Ionen parallel zu [110], die brückengebunden über die SeO4-Anionen sind. Das fünfte Wassermolekül wirkt als Puffer.
    Notes: A study of the system CoSeO4—NiSeO4—H2O at 30°C has been carried out. Crystals were obtained by slow evaporation from a water solution. The identified phases were CoSeO4 · 5 H2O and NiSeO4 · 6 H2O, but CoSeO4 · 6 H2O is identified when the crystallization of Co compound is carried out in presence of Ni. The three phases show a limited replacement of metal according to X-ray powder results. The crystal structure of CoSeO4 · 5 H2O has been solved, the come pound is triclinic, a = 6.435(1), b = 10.703(2), c = 6.220(1) Å, α = 98.71(1), β = 109.60(2), γ = 75.54(1)°, P1, Z = 2. Refinement was terminated at R = 0.035 for all observed reflections. The crystal structure is isostructural to CuSO4 · 5 H2O and consists of Co(H2O)4 ions chains parallel to [110] μ-linked by the SeO4. The fifth water molecule acts as buffer.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19855280921
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  • 9
    Electronic Resource
    Electronic Resource
    Dehydrochlorination test of unstabilized PVC (1985)
    Brookfield, Conn. : Wiley-Blackwell
    Journal of Vinyl and Additive Technology 7 (1985), S. 74-76 
    Details
    ISSN: 0193-7197
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/vnl.730070207
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