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  • 1
    Electronic Resource
    Electronic Resource
    Synthese neuer N, N,1,1-Tetramethyl-isobenzofuranamine (1993)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 335 (1993), S. 17-22 
    Details
    ISSN: 0941-1216
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Synthesis of New N, N,1,1-Tetramethyl-isobenzofuranaminesThe nitrophthalides 3a-d aimed as intermediates in the synthesis of the title compounds 6a-d were obtained via regioselective reduction of 3-nitrophthalic anhydride 1 or by nitration of phthalide and 3,3-dimethylphthalide, respectively. Reductive methylation of the nitro groups afforded the dimethylaminophthalides 5a-d which in turn were reacted with MeMgI or in the case of 5d reduced by LiAlH4 leading finally to the title compounds.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19933350104
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  • 2
    Electronic Resource
    Electronic Resource
    Synthesis of Isobenzofuran Derivatives as heterocyclic analogues of the herbicide sindone B (1994)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 336 (1994), S. 333-339 
    Details
    ISSN: 0941-1216
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The target compounds 21-27 were synthesized via bromination of the N,N,1,1-tetramethylisobenzofuranamines 13, 15 and 16, subsequent bromine-lithium exchange and reaction with propanal or propanoyl chloride, respectively. In the course of some model reactions undertaken to test a synthetic strategy based on directed ortho-lithiation governed by the dimethylamino-group a useful synthesis of the ketone 3 was developed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19943360411
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