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A series of analogues of, and potential pro-drugs derived from, the potent antibacterial diterpene totarol (1)1 were synthesized in order to elucidate the minimum structural requirements for antibacterial activity and to seek compounds with good bioavailability in vivo. These analogues varied in the structural features of their aromatic rings and the prodrugs were O-glycosylated derivatives. They...
Synthetic approaches to structural analogues of tagetitoxin (1) are described. The successful route to analogue 3 (X=O) has, as a key step, protection of the cis-vicinal amino alcohol moiety of compound 7 as an N-benzylated cyclic carbamate (9). X-Ray crystallographic analyses of the hydrochloride of compound 7 and the hydroxyacid 56 are reported.
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