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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 103 (1970), S. 1273-1278 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Transition Metal Carbene Complexes, XIX. Synthesis of Cyclopropane Derivatives with Transition Metal Carbonyl Carbene ComplexesPhenyllmethoxycarbenepentacarbonylchromium(0) (1b) reacts on warming with trans-methyl crotonate (2) stereospecifically to give the isomeric methyl 2-methoxy-3-methyl-2-phenycyclopropane-1-carboxylates (3a, b) via transfer of the carbene ligand. The configuration of the isomers was determined by analysis of the 1H n.m.r. spectra.
    Notes: Phenylmethoxycarben-pentacarbonyl-chrom(0) (1b) reagiert bei erhöhter Temperatur unter Übertragung des Carbenrestes mit trans- Crotonsäure-methylester (2) stereospezifisch zu den isomeren 2-Methoxy-3-methyl-2-phenyl-cyclopropan-carbonsäure-(1)-methylestern (3a, b). Die Konfiguration der Isomeren wurde durch Analyse der 1H-NMR-Spektren bestimmt.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
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