Oxetanones and process for their production
US4983746A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 8, 1989 |
| Grant date | Jan 8, 1991 |
| Priority date | — |
| Expiry date | Aug 8, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/1804
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention is directed to a process for the manufacture of pancreatic lipase-inhibiting oxetanone ethyl esters of the formula ##STR1## wherein X is undecyl or 2Z,5Z-undecadienyl; C.sub.6 is n-hexyl; Y is isobutyl and Z is formyl or Y is carbamoylmethyl and Z is acetyl; which process comprises esterifying the corresponding oxetanone ethanols, or hydrogenating the 3-undecenyl group in corresponding oxetanone ethyl ester starting materials to the undecyl group X, or N-formylating or N-acetylating corresponding primary amines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.