| 摘要 |
Bisphosphite(s) represented by the following general formula (I):
,wherein Ar 1 and Ar 2 are each independently a substituted or unsubstituted arylene group; R 1 , R 2 , R 7 and R 8 are each independently a substituted or an unsubstituted alkyl group, a substituted or an unsubstituted aryl group or a substituted or an unsubstituted heterocyclic group, or R 1 and R 2 or R 7 and R 8 may together form a ring with their associated oxygen atoms and phosphor atom; and R 3 , R 4 , R 5 and R 6 are each independently a hydrogen atom or an alkyl group, with the proviso that the carbon atom bearing R 3 and R 4 and the carbon atom bearing R 5 and R 6 are bound to the respective arylene groups at the ortho position to the Ar 1 -Ar 2 bond. Also provided is a process for producing aldehyde(s) using the bisphosphite and a Group 8 to 10 metal compound. A composition comprising the bisphosphite and a Group 8 to 10 metal compound is further provided. |
