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  • Chemistry  (3)
  • biological control
  • General Chemistry
  • 1985-1989  (3)
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Publisher
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 535 (1986), S. 221-228 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Derivatives of o-Phenylene Phosphate. 34. Halogenation of o-Methoxyphenyl Phosphinites, Phosphonites, and Phosphiteso-Methoxyphenyl phosphinites, phosphonites, and phosphites react with halogenes to halogenophosphonium-halides 4, which are stabilized by ligand exchange with the starting material to phosphonium salts or by elimination of methylhalide to cyclic phosphoranes.
    Notes: o-Methoxyphenyl-phosphinite, -phosphonite und -phosphite reagieren mit Halogenen zu Halogenphosphoniumhalogeniden 4, die sich entweder durch Ligandenaustausch mit dem Startprodukt als Phosphoniumsalze oder durch Abspaltung von Methylhalogenid als cyclische Phosphorane stabilisieren.
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 327 (1985), S. 904-907 
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The Structure of “;Trichloro-diphenoxyphosphorane”The structure of ‘Trichloro-diphenoxyphosphorane’ synthesized by well-known and new methods is not a pentacoordinated phosphorus compound, but has the structure of tetraphen-oxyphosphonium hexachlorophosphate 4.
    Additional Material: 1 Tab.
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  • 3
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 328 (1986), S. 231-236 
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: α-Substituted Phosphonates. 47. Splitting of P—C-Bonds from Trisphosphoryl CompoundsHexaethyldimethylaminomethyl-trisphosphonate (2a) reacts with HCl or trimethylsilylbromid/water by splitting off one phosphoryl group, giving dimethylaminomethyl-bisphosphonic acid (7). The result of methylation of 2a depends on the reagent: with methyliodide one phosphoryl group is split off, and the ammonium salt 11a is formed, while with methyl toluene sulfonate or dimethylsulfate the expected quarternary ammonium salts 10b or 10c are formed. One phosphoryl group of 10c is split off under acidic as well as alkalinous conditions: acidic hydrolysis gives the bisphosphonic acid 15, while under alkalinous conditions the known ylid 16 is formed.
    Type of Medium: Electronic Resource
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