Hindered esters of rapamycin
US5385908A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 22, 1993 |
| Grant date | Jan 31, 1995 |
| Priority date | — |
| Expiry date | Nov 22, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P37/06
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A compound of the structure ##STR1## wherein R and R.sup.1 are each, independently, ##STR2## or hydrogen; R.sup.2 and R.sup.3 are each, independently, alkyl, arylalkyl, or R.sup.2 and R.sup.3 may be taken together to form a cycloalkyl ring; PA1 R.sup.4 is a heterocyclic radical which may be optionally substituted; PA1 R.sup.5 is alkyl or arylalkyl; PA1 R.sup.6 and R.sup.7 are taken together to form a saturated heterocyclic ring which may be optionally substituted; PA1 k=0-1, PA1 m=0-1; PA1 n=1-6; with the proviso that R and R.sup.1 are not both hydrogen, or a pharmaceutically acceptable salt thereof, which is useful as an immunosuppressive, antiinflammatory, antifungal, antiproliferative, and antitumor agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.