Patent · US Expired

2-aza-4-(alkoxycarbonyl)spiro[4,5]-decan-3-one

US4958044A · kind A · utility

9Cited by

3References

3Claims

0Family size

Assignee

LONZA LTD · CH

Inventors

Hans P. Mettler · Flemington, US
Gareth Griffiths · Visp, CH
Lester Mills · Naters, CH
Felix Previdoli · Brig, CH

Key dates

Filing date	Jan 8, 1990
Grant date	Sep 18, 1990
Priority date	—
Expiry date	Jan 8, 2010

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2601/14
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

2-Aza-4-(alkoxycarbonyl)spiro[4,5]-decan-3-one and a process for the production of it, starting either from cyclohexylidene malonic acid esters or cyclohexylidene cyanoalkylates. Process of using the product for the production of 1-(aminomethyl)cyclohexane acetic acid.

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