Patent · US Expired

Polycyclic compounds and processes for the preparation thereof

US5455241A · kind A · utility

3Cited by
8References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 20, 1994
Grant dateOct 3, 1995
Priority date
Expiry dateSep 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.