Spiro[pyrrolidine-2,3'-oxindole] compounds and methods of use
US6114540A · kind A · utility
1Cited by
1References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 1998 |
| Grant date | Sep 5, 2000 |
| Priority date | — |
| Expiry date | Sep 8, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC40B40/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention provides spiro[pyrrolidine-2,3'-oxindole] compounds produced by the stereo- and regio-selective reaction of variously substituted isatins, .alpha.-amino acids, and dipolarophiles (e.g., trans-chalcones, acrylate esters, or vinyl oxindoles).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.