Claims
- 1. A compound of formula II whereinR1 is —OH or —OSiHMe2; and R2 is —OAc, —OH, or —OC(O)OMe with the proviso that R1 is —OH only when R2 is —OAc.
- 2. A compound of claim 1 of the formula
- 3. A compound of claim 1 of the formula
- 4. A compound of claim 1 of the formula
- 5. A compound of claim 1 of the formula
- 6. A compound of formula III wherein R3 is —OH or —OAc.
- 7. A compound of claim 6 of the formula
- 8. A compound of claim 6 of the formula
- 9. A compound of the formula
RELATED APPLICATIONS
This is a division of Ser. No. 09/635,553, Aug. 10, 2000, now U.S. Pat. No. 6,248,908, which claims priority of Ser. No. 60/148,392, Aug. 11, 1999.
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WO9414787 |
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Non-Patent Literature Citations (2)
Entry |
Chen et al., J. Org. Chem., vol. 59, pp. 6156-6158 (1994). |
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Provisional Applications (1)
|
Number |
Date |
Country |
|
60/148392 |
Aug 1999 |
US |