Library

feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
  • 1
    ISSN: 1572-901X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary A comparison between Co0 and CoI-catalyzed reactions of certain 1,6-diynes with monoalkynes or nitriles is reported. Different chemoselectivities are observed with two Co0 and CoI complexes. Co0 appears to be particularly sensitive to steric effects, nitriles being cotrimerized with C≡C bonds in good yields only when sterically demanding groups are present in the diyne. The CoCl2/Mn system exhibits a type of reactivity which is in accord with the formation of Co0.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 25 (1969), S. 912-912 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Riassunto Acidi dienoici marcati con14C facilmente aromatizzabili a fenoli per via chimica, sono stati somministrati a muffe produttrici di fenoli. Anzichè l'aromatizzazione è stata osservata una degradazione, che nel caso dell'acido 3-metilepta-2, 5-dien-1, 7-dioico conduce all'acido 2-metilglutarico.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 72 (1960), S. 74-76 
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Die Verwendung des Kohlenoxyds in der Oxo-Synthese sowie des Kohlenoxyds und des Acetylens in der Synthese der Acrylsäure haben für Wissenschaft und Technik ein weites Arbeitsgebiet eröffnet. Der Mechanismus dieser Synthesen ist in den letzten Jahren eingehend untersucht worden1. Es wird über neue Reaktionen von Chlorallyl-Verbindungen mit CO und Acetylen in Gegenwart von Nickelcarbonyl berichtet, bei denen insbes. ungesättigte Carbonsäuren erhalten wurden.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 72 (1960), S. 750-750 
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 79 (1967), S. 177-186 
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Allylverbindungen setzen sich mit Kohlenoxid und gegebenenfalls Acetylen unter Tetracarbonylnickel-Katalyse um. Die Reaktionen verlaufen über π-Allylnickelkomplexe. Diese Komplexe treten auch bei Dimerisierungs- und Additionsreaktionen zu aktivierten Olefinen oder zu Ketonen auf. Man kann bei derartigen Reaktionen aliphatische ungesättigte Säuren, Ester, Nitrile, Kohlenwasserstoffe, cycloaliphatische Ketone, Ketosäuren, Ketoester, Diketone, Lactone, Phenole und andere Verbindungen gewinnen.
    Additional Material: 5 Tab.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 6
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 6 (1967), S. 124-133 
    ISSN: 0570-0833
    Keywords: Allyl halides ; Catalysis ; Nickel ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Allyl compounds react with carbon monoxide, or with carbon monoxide and acetylene, in the presence of tetracarbonylnickel as catalyst. These catalysts are involved also in coupling reactions and addition reactions of activated olefins and ketones. Reactions of this type can be used for the preparation of unsaturated aliphatic acids, esters, nitriles, hydrocarbons, alicyclic ketones, keto acids, keto esters, diketones, lactones, phenols, and other compounds. The reactions proceed via π-allylnickel complexes.
    Additional Material: 5 Tab.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...