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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1993 (1993), S. 915-919 
    ISSN: 0170-2041
    Keywords: Buprenorphine ; Diprenorphine ; Rotamers, N-CHO ; Morphinane derivatives ; Alkaloids ; Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Preparation of 6,14-Ethenomorphinane DerivativesBuprenorphine (5j) and diprenorphine (5k) were synthesized from N-formyl-northebaine (1c) and N-benzyl-northebaine (1d) via new intermediates. N-cyclopropylmethyl-dihydronorthevinone 3d is a suitable compound for the synthesis of both 5j and 5k. We carried out detailed 1H- and 13C-NMR analysis of the new compounds.
    Type of Medium: Electronic Resource
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