| abstract |
The invention provides compounds of formula XXIII: Where R 1 is hydrogen, alkyl, acetyl or silyl, R 2 is hydrogen, alkyl, benzyl, acetyl or ester, and R 3 is hydrogen, alkyl, aromatic, nitrogen heterocycle, carbon Rings, aryls, cycloalkyls, heterocycloalkyls, heterocycles, heteroaryls, heteroalkyls, amides or esters, and derivatives and stereoisomers, pharmaceutically acceptable salts and derivatives; And methods of making and using these compounds. The present invention includes pharmaceutical compositions containing these compounds, and the use of these compounds in methods of treating symptoms, diseases, or conditions. |