Lipopeptide stereoisomers, methods for preparing same, and useful intermediates
View Patent ↗The present invention provides daptomycin stereoisomeric compounds, methods and intermediates for preparing daptomycin and daptomycin stereoisomoeric compounds, as well as pharmaceutical compositions of these compounds and methods of using these compositions as antibacterial agents.
1. A composition comprising a compound having the following structure:
where R 5 is an ornithine protecting group and R 6 is hydrido or an asparagine protecting group.
2. The composition of claim 1 , wherein the compound comprises the following stereochemistry:
3. The composition of claim 1 , wherein the compound comprises the following stereochemistry:
4. The composition of any one of claims 1 , 2 , or 3 , wherein R 5 is allyloxycarbonyl, carbobenzyloxycarbonyl or tert-butoxycarbonyl.
5. The composition of claim 4 , wherein R 5 is allyloxycarbonyl.
6. The composition of claim 5 , wherein R 6 is hydrido.
7. A composition comprising a compound having the following structure: