Patent · US Expired

4,5-Methano-bufadienolide-rhamnosides, their preparation, and drugs containing these compounds

US4242332A · kind A · utility

5Cited by

2References

8Claims

0Family size

Assignee

BASF SE

Inventors

Hans P. Albrecht · Weinheim, DE
Gerda von Philipsborn · Weinheim, DE
Hans U. Siebeneick · Ludwigshafen, DE
Manfred Raschack · Weisenheim am Sand, DE

Key dates

Filing date	Sep 6, 1979
Grant date	Dec 30, 1980
Priority date	—
Expiry date	Sep 6, 1999

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P9/04
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

4,5-methano-bufadienolide-rhamnosides of the formula I ##STR1## where R.sup.1 is hydrogen or alkyl or acyl of 1 to 4 carbon atoms, R.sup.2 and R.sup.3 are identical or different and each is hydrogen or alkyl or acyl of 1 to 4 carbon atoms, or both together are ##STR2## where R.sup.4 and R.sup.5 are identical or different and each is hydrogen or alkyl or alkoxy of 1 or 2 carbon atoms. The novel compounds may be used for counteracting cardiac insufficiency.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.