Polycyclic compounds and processes for the preparation thereof
US5455241A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 20, 1994 |
| Grant date | Oct 3, 1995 |
| Priority date | — |
| Expiry date | Sep 20, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
N-(tetrahydropyran-4-yloxy-alkanoyl)-staurosporin derivatives of formula I ##STR1## wherein R.sub.1 is hydrogen, hydroxy, lower alkoxy or oxo, PA1 R.sub.2 is hydrogen or C.sub.1-4 alkyl and R.sub.3 is hydrogen or C.sub.1-4 alkyl, processes and novel intermediates for the preparation thereof and processes for the preparation of the intermediates are described. The compounds of formula I inhibit the enzyme protein kinase C with a high degree of selectivity and can be used especially as tumour-inhibiting active ingredients.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.