Patent · US Expired

Hexahydro-5-oxy-2-loweralkoxy-2H-cyclopenta[b]-furan-4-carbonitrile intermediates for prostaglandins

US3975406A · kind A · utility

1Cited by

1References

3Claims

0Family size

Inventors

Hans Johann Mayer · Füllinsdorf, CH
Albert E. Fischli · Riehen, CH
Michael Klaus · Weil am Rhein, DE
Alexander Wick · Montesson, FR

Key dates

Filing date	Sep 10, 1975
Grant date	Aug 17, 1976
Priority date	—
Expiry date	Sep 10, 1995

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C405/00
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Process for synthesizing a prostaglandin from a hexahydro-4-(lower alkoxy)-2H-oxireno [3,4] cyclopenta[1,2-b] furan, utilizing as an intermediate in the process a hexahydro-5-hydroxy-2-lower alkoxy-2H-cyclopenta [b]furan-4-carboxaldehyde, and the novel cyclopenta(b)furan intermediates of the process.

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