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    • 25. 发明授权
    • 23-Ester derivatives of DMT and method of using same
    • DMT的23-酯衍生物及其使用方法
    • US4396613A
    • 1983-08-02
    • US330294
    • 1981-12-14
    • Herbert A. Kirst
    • Herbert A. Kirst
    • C07H17/08A61K31/71
    • C07H17/08
    • 23-Ester derivatives of demycinosyltylosin (DMT) of the formula: ##STR1## wherein R is selected from hydrogen, optionally substituted C.sub.1 -C.sub.5 -alkanoyl or optionally substituted benzoyl, phenylacetyl, or phenylpropionyl; and R.sup.1 is an acyl group selected from: ##STR2## p is 0 or 1; m and n are integers from 0 to 4; R.sup.2 is hydrogen, halo, C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl, phenyl, C.sub.5 -C.sub.8 -cycloalkenyl, naphthyl, indenyl, tetralinyl, decalinyl, adamantyl, cinnoxacinyl, a monocyclic heterocyclic ring system comprising 3 to 8 atoms or a bicyclic heterocyclic ring system comprising 6 to 11 atoms, provided that at least 1 atom of the ring system is carbon and at least 1 atom of the ring system is a heteroatom selected from O, N, and S; and wherein R.sup.2 and the connecting alkyl groups --(CH.sub.2).sub.m -- and --(CH.sub.2).sub.n -- are optionally substituted by one or two halo, methyl, ethyl, methoxy, amino, N-protected-amino, methylamino, dimethylamino, nitro, acetoxy, acetamido, azido, carbomethoxy, carboxamido, cyano, or hydroxyl groups, provided that, if the substituent is other than halo or alkyl, there can be no more than one substituent on any connecting --CH.sub.2 -- group; X is O, S, --NH--, --N(CH.sub.3)--, --C.tbd.C--, --CH.dbd.CH--, --C(CH.sub.3).dbd.CH--, --CH.dbd.C(CH.sub.3)-- or --C(CH.sub.3).dbd.C(CH.sub.3)--; R.sup.3 and R.sup.4 are C.sub.1 -C.sub.5 -alkyl or optionally substituted phenyl or benzyl; and salts thereof are useful antibiotics or intermediates to antibiotics.
    • 式(1)所示的霉菌霉素(DMT)的23-酯衍生物:其中R选自氢,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; 并且R 1是选自以下的酰基:p = 0或1; m和n是0至4的整数; R2是氢,卤素,C1-C4-烷基,C3-C8-环烷基,苯基,C5-C8-环烯基,萘基,茚基,四氢萘基,十氢萘基,金刚烷基,噌啉酰基,包含3-8个原子的单环杂环体系或 包含6至11个原子的双环杂环体系,条件是至少1个环系是碳原子,至少1个环系是选自O,N和S的杂原子; 并且其中R 2和连接的烷基 - (CH 2)m - 和 - (CH 2)n任选被一个或两个卤素,甲基,乙基,甲氧基,氨基,N-保护的 - 氨基,甲基氨基,二甲基氨基,硝基, 乙酰氧基,乙酰氨基,叠氮基,甲酯基,甲酰胺基,氰基或羟基,条件是如果取代基不是卤素或烷基,则在任何连接的-CH 2 - 基上可以不多于一个取代基; X是O,S,-NH-,-N(CH 3) - , - C 3BOND C - , - CH = CH-,-C(CH 3)= CH-,-CH = C(CH 3) CH3)= C(CH3) - ; R3和R4是C1-C5-烷基或任选取代的苯基或苄基; 其盐是有用的抗生素或抗生素的中间体。