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Studies on the Synthesis of 3-Vinylcephalosporins (1992)

Pitlik, János ; Batta, Gyula ; Sztaricskai, Ferenc

Weinheim : Wiley-Blackwell

Liebigs Annalen 1992 (1992), S. 895-898

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ISSN: 0170-2041

Keywords: Cephems, 3-alkenyl- ; Cephalosporins ; Wittig reactions ; Chemistry ; Organic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Several novel cephalosporins 4-19 having substituted vinyl functionalities at C-3 were synthesized. The title compounds were prepared by a short and simple reaction sequence starting from protected 7-aminocephalosporanic acid derivatives 1-3 and involving cleavage with iodotrimethylsilane, phosphonium salt formation, and subsequent Wittig reaction. The effect of the substituents are also discussed.

Additional Material: 4 Tab.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jlac.1992199201148

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