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Description
  • Oxidation of lincomycin with H2O2 in alkaline media leads to N-oxides, besides the conversion of thiomethyl group into sulfoxides and sulfones. NH4OH favors formation of the S-isomer; both R- and S-iosmers of the N-oxide are formed in the presence of NaOH. Addition of acetonitrile markedly accelerates the reaction.
  • Oxidation of lincomycin with H2O2 in alkaline media leads to N-oxides, besides the conversion of thiomethyl group into sulfoxides and sulfones. NH4OH favors formation of the S-isomer; both R- and S-iosmers of the N-oxide are formed in the presence of NaOH. Addition of acetonitrile markedly accelerates the reaction. (en)
  • Oxydace linkomycinu peroxidem vodíku v alkalickém prostředí vedek N-oxidům vedle přeměny thiomethylové skupiny na sulfoxid a sulfon. Hydroxyd amonný napomáhá tvorbě S-isomeru, jak R-, tak S-isomery N-oxidu se tvoří v přítomnosti NaOH; přídavek acetonitrilu urychluje reakci. (cs)
Title
  • Access to lincomycin N-oxide isomers controlled by reaction conditions
  • Access to lincomycin N-oxide isomers controlled by reaction conditions (en)
  • Příprava N-oxid izomerů linkomycinu za různých reakčních podmínek (cs)
skos:prefLabel
  • Access to lincomycin N-oxide isomers controlled by reaction conditions
  • Access to lincomycin N-oxide isomers controlled by reaction conditions (en)
  • Příprava N-oxid izomerů linkomycinu za různých reakčních podmínek (cs)
skos:notation
  • RIV/61388971:_____/04:00100363!RIV/2005/AV0/A53005/N
http://linked.open.../vavai/riv/strany
  • 2943;2945
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  • P(IBS5020002)
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  • 553352
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  • RIV/61388971:_____/04:00100363
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  • lincomycin oxidation; hydrogen peroxide; alkaline (en)
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  • NL - Nizozemsko
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  • [DD3E9C4ABFBF]
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  • 45
http://linked.open...iv/tvurceVysledku
  • Halada, Petr
  • Havlíček, Libor
  • Pospíšil, Stanislav
  • Sedmera, Petr
  • Spížek, Jaroslav
issn
  • 0040-4039
number of pages
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