| 摘要 |
The invention provides new macrolides antibiotics of formula (I) with improved biological properties and improved stability formula (I): wherein R<1 >is hydrogen, cyano, -S(L)mR<2>, -S(O)(L)mR<2>, or -S(O)2(L)mR<2>; L represents -(CH2)n- or -(CH2)nZ(CH2)n'--; m is 0 or 1; n is 1, 2, 3, or 4; n' is 0, 1, 2, 3, or 4; Z is O, S or NH; R2 is hydrogen, alkyl, heterocyclyl or aryl; which heterocyclyl and the aryl groups may be further substituted; * indicates a chiral center which is in the (R) or (S) form and pharmaceutically acceptable acid addition salts or in vivo cleavable esters thereof.
|
