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    • 15. 发明授权
    • C-23-Modified derivatives of DMT
    • DMT的C-23-改性衍生物
    • US4452784A
    • 1984-06-05
    • US399656
    • 1982-07-19
    • Herbert A. KirstJohn E. Toth
    • Herbert A. KirstJohn E. Toth
    • A61K31/70A61K31/7042A61K31/7048A61P31/04C07H17/08
    • C07H17/08
    • C-23-Modified derivatives of demycinosyltylosin (DMT) of the formula: ##STR1## wherein R is iodo, bromo, chloro, fluoro, --S--R.sup.4, azido, --NHR.sup.5, pyridinium or --OSO.sub.2 CF.sub.3 ;R.sup.1 is hydrogen, optionally substituted C.sub.1 -C.sub.5 -alkanoyl or optionally substituted benzoyl, phenylacetyl, phenylpropionyl, phenoxyacetyl or phenylthioacetyl;R.sup.2 is hydrogen, optionally substituted C.sub.1 -C.sub.5 -alkanoyl or optionally substituted benzoyl, phenylacetyl or phenylpropionyl;R.sup.3 is hydrogen, optionally substituted C.sub.1 -C.sub.5 -alkanoyl or optionally substituted benzoyl, phenylacetyl or phenoxyacetyl;R.sup.4 is hydrogen, optionally substituted C.sub.1 -C.sub.6 -alkyl, cyclohexyl, C.sub.1 -C.sub.5 -alkanoyl, optionally substituted phenyl or benzyl, or an optionally substituted heteroaryl group selected from imidazolyl, pyrazolyl, pyridyl, pyrimidyl, pyrazinyl, pyridazinyl, triazinyl, triazolyl, tetrazolyl, oxazolyl, isoxazolyl, oxadiazolyl, thiazolyl, isothiazolyl, thiadiazolyl, thienyl and furanyl; andR.sup.5 is hydrogen or an acyl group selected from optionally substituted C.sub.1 -C.sub.5 -alkanoyl or optionally substituted benzoyl, phenylacetyl or phenylpropionyl;and salts thereof are useful antibiotics or intermediates to antibiotics.
    • 其中R为碘,溴,氯,氟,-S-R 4,叠氮基,-NHR 5,吡啶鎓或-OSO 2 CF 3的分解型霉菌霉素(DMT)的C-23-修饰衍生物。 R1是氢,任选取代的C 1 -C 5 - 烷酰基或任选取代的苯甲酰基,苯乙酰基,苯基丙酰基,苯氧基乙酰基或苯基硫代乙酰基; R2是氢,任选取代的C 1 -C 5 - 烷酰基或任选取代的苯甲酰基,苯乙酰基或苯基丙酰基; R 3是氢,任选取代的C 1 -C 5 - 烷酰基或任选取代的苯甲酰基,苯乙酰基或苯氧基乙酰基; R 4是氢,任选取代的C 1 -C 6 - 烷基,环己基,C 1 -C 5 - 烷酰基,任选取代的苯基或苄基,或选自咪唑基,吡唑基,吡啶基,嘧啶基,吡嗪基,哒嗪基,三嗪基,三唑基, 四唑基,恶唑基,异恶唑基,恶二唑基,噻唑基,异噻唑基,噻二唑基,噻吩基和呋喃基; 并且R 5是氢或选自任选取代的C 1 -C 5 - 烷酰基或任选取代的苯甲酰基,苯乙酰基或苯基丙酰基的酰基; 其盐是有用的抗生素或抗生素的中间体。