Bisphosphite and process for producing aldehyde(s) using the...

C - Chemistry – Metallurgy – 07 – F

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C07F 9/145 (2006.01) B01J 31/22 (2006.01) C07B 61/00 (2006.01) C07C 45/50 (2006.01) C07C 47/02 (2006.01) C07F 15/00 (2006.01) C07F 19/00 (2006.01)

Patent

CA 2558369

A bisphosphite represented by the following general formula (I): (I) (wherein Ar1 and Ar2 each independently represents optionally substituted arylene; R1, R2,. R7, and R8 each independently represents optionally substituted alkyl, optionally substituted aryl, or optionally substituted heterocyclic group, provided that R1 and R2 or R7 and R8 may form a ring in cooperation with the oxygen atoms and phosphorus atom bonded to these; and R3, R4, R5, and R6 each independently represents hydrogen or alkyl, provided that the carbon atom having R3 and R4 and the carbon atom having R5 and R6 each is bonded in an ortho position to the Ar1-Ar2 bond); a process for producing an aldehyde compound which comprises using the bisphosphite and a compound of a metal in Groups 8 to 10; and a composition comprising the bisphosphite and a compound of a metal in Groups 8 to 10.

Un bisphosphite représenté par la formule générale suivante (I) : (I) (où Ar?1¿ et Ar?2¿ représentent chacun un aryle substitué optionnellement, R?1¿, R?2¿, R?7¿ et R?8¿ représentent chacun un alkyle substitué optionnellement, un aryle substitué optionnellement ou un groupe hétérocyclique substitué optionnellement, à condition que R?1¿ et R?2¿ ou R?7¿ et R?8¿ puissent former un anneau en coopération avec les atomes d'oxygène et l'atome de phosphore qui leur est attaché et R?3¿, R?4¿, R?5¿ et R?6¿ représentent chacun indépendamment de l'hydrogène ou de l'alkyle, à condition que l'atome de carbone ayant R?3¿ et R?4¿ et que l'atome de carbone ayant R?5¿ et R?6¿ soient chacun liés dans une position ortho à la liaison Ar?1¿-Ar?2¿) ; un processus pour produire un composé acétaldéhyde constitué du bisphosphite et d'un composé d'un métal dans les groupes 8 à 10 ; une composition constituée du bisphosphite et d'un composé d'un métal dans les groupes 8 à 10.

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