Bisphosphite compound, process for its production and hydroformylation process employing the bisphosphite compound
US5910600A · kind A · utility
18Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1997 |
| Grant date | Jun 8, 1999 |
| Priority date | — |
| Expiry date | Apr 28, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/6541
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A bisphosphite compound of the following formula (A): ##STR1## wherein --Ar--Ar-- is a bisarylene group represented by any one of the formulae (A-I) to (A-III) defined in the specification, and each of Z.sub.1 to Z.sub.4 is a C.sub.4-20 aromatic or heteroaromatic group which may have a substituent, wherein each of substituents on carbon atoms of an aromatic ring adjacent to the carbon atom bonded to the oxygen atom in each of Z.sub.1 to Z.sub.4, is a C.sub.0-2 group, and each pair of Z.sub.1 and Z.sub.2, and Z.sub.3 and Z.sub.4, are not bonded to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.