Syntheses of (6S)-cephalosporins from 6-aminopenicillanic acid
Two practical routes to (6S,7S)-cephalosporins from 6-aminopenicillanic acid (6-APA) are described. In the first, 6-APA was converted to (2S,4S,5S,6S)-penicillin sulfoxide 49, which underwent Morin ring expansion to a protected (6S,7S)-cephem 50. In the second, ester 15 was converted to (2S,4S,5S,6R...
主要な著者: | Fekner, T, Baldwin, J, Adlington, R, Jones, T, Prout, C, Schofield, C |
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フォーマット: | Journal article |
言語: | English |
出版事項: |
2000
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