| 摘要 |
Compounds of the formulawhereinRa is H; substituted or unsubstituted alkyl (1-10C); substituted or unsubstituted alkenyl (2-10C); substituted or unsubstituted alkynyl (2-10C); substituted or unsubstituted aryl (4-14C); substituted or unsubstituted arylalkyl (5-20C); or ORa is replaced by H;Rb is H or halogen;Rc is H or a protecting group;Rd is methyl, unsubstituted alkyl (3-10C); substituted alkyl (1-10C); substituted or unsubstituted alkynyl (2-10C); substituted or unsubstituted aryl (4-14C); substituted or unsubstituted arylalkyl (5-20C); substituted or unsubstituted arylalkenyl (5-20C); substituted or unsubstituted arylalkynyl (5-20C); substituted or unsubstituted amidoarylalkyl (5-20C); substituted or unsubstituted amidoarylalkenyl (5-20C); or substituted or unsubstituted amidoarylalkynyl (5-20C);Re is H or a protecting group;L is methylene or carbonyl;T is -O-, -N(R)-, -N(OR)-, -N(NHCOR)-, -N(N=CHR)-, or -N(NHR)- wherein R is H or Ra as defined above, with the proviso that when L is methylene, T is -O-;one of Z and Y is H and the other is OH, protected OH, or amino, mono- or dialkylamino, protected amino, or an amino heterocycle orZ and Y together are =O, =NOH or a derivatized oxime;including any pharmaceutically acceptable salts thereof and any stereoisomeric forms and mixtures of stereoisomeric forms thereof, are antimicrobial agents.
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