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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 116 (1983), S. 1336-1344 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Hydratisierte Oxokohlenwasserstoffe, I. Herstellung und Reaktionen von Tetrakis[organoborandiylbis(oxy)]cyclobutanenAus Octahydroxyclobutan (1) erhält man mit verschiedenen Monoorganoboranen in hohen Ausbeuten die Tetrakis[organoborandiylbis(oxy)]-Derivate 2a-d, die mit tertiären Aminen 1:2-sowie 1:4-Additionsverbindungen bilden. Bei der Alkoholyse lassen sich 2a-d in Abhängigkeit von den Organo-Substituenten an den Bor-Atomen partiell und vollständig entborylieren. Man erhält z. B. Tetraalkoxybis[phenylborandiylbis(oxy)]-Derivate des Cyclobutan-Rings (7b, c) oder, infolge Ringöffnung, Dihydroxyfumarsäure-dimethylester (5).
    Notes: Octahydroxycyclobutane (1) reacts with various monoorganoboranes to give in high yields the tetrakis[organoboranediylbis(oxy)] derivatives 2a-d. These react with tertiary amines to yield either 1:2 or 1:4 adducts. Depending on the organo substituents at the boron atoms, alcoholyses of 2a-d result in either partial or complete deborylation giving e.g. tetraalkoxybis[phenyl-boranediylbis(oxy)] derivatives of the cyclobutane ring (7b, c), or, with ring-opening, dimethyl dihydroxyfumarate (5).
    Type of Medium: Electronic Resource
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