Maleimide derivative
US7897787B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 13, 2006 |
| Grant date | Mar 1, 2011 |
| Priority date | — |
| Expiry date | Oct 20, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/6439
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A compound represented by the following general formula (I):[wherein R1 and R2 independently represent hydrogen atom, or a group represented by the following formula (A):(wherein X1 and X2 represent hydrogen atom, an alkyl group, an alkoxy group, or a halogen atom), provided that R1 and R2 do not simultaneously represent hydrogen atom; R3 and R6 represent an alkyl group; R4 and R7 represent hydrogen atom, an alkyl group, carboxy group, an alkoxycarbonyl group, or sulfo group; and R5 and R8 represents an alkyl group, an aryl group, an alkoxycarbonyl group, a vinyl group, a thienyl group, or a pyrrolyl group], or a salt thereof, which is usable for efficient screening for a chemical substance having applicability as a catalyst of the reaction of Michael addition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.