The syntheses of new cationic nickel complexes {[eta(3)-methallyl]Ni[ kappa (2) P,O-Ph(2) P(X)P(O)Ph(2)]}SbF(6), (1)-(2) [X = (o-C(6)H(4)) (1), (NH), (2)1 have been accomplished. The complexes oligomerize ethylene to linear cl-olefins with selectivities as high as 89%. A dependence of oligomerization grade and activity on backbone geometry was shown. New cationic allyl and methyl complexes of palladium(II) [(CH(3)CN)(Me)Pd(kappa(2)P,O-Ar(2)P(CH(2))(n)P(O)Ar(2))]X [n = 1-3, X = BF(4), Ar = C(6)H(5) (18-20)] [n = 1, X = SbF(6), Ar =p-tolyl (23); n = 1 or 2, X = SbF(6), Ar = C(6)H(5) (21) or (22)]; [( eta(3)-C(3)H(5)Pd(kappa(2)P,O- Ph(2)P(CH(2))(n)P(O)Ph(2))]X, [n = 2, X=triflate (10), tosylate (13); n=3, X=triflate (11), tosylate (14)], ([ eta(3)- C(3)H(5))]Pd(kappa(2)P,O-Ar(2)P(CH(2))(n)P(O)Ar(2))]X, [n = 1, X = SbF(6), Ar =p-tolyl (17); n = 2, X = SbF(6) Ar = C(6)H(5)(16)] have been synthesized in good yields. These complexes have been used in the catalytic oligomerization of ethylene, and in the catalytic alternating copolymerization of ethylene and carbon monoxide, to yield polyketones.
Synthesis and catalytic activity of allyl, methallyl and methyl complexes of nickel(II) and palladium(II) with biphosphine monoxide ligands: oligomerization of ethylene and copolymerization of ethylene and carbon monoxide / I., Brassat; W., Keim; S., Killat; M., Moethrath; Mastrorilli, Pietro; C. F., Nobile; Suranna, Gian Paolo. - In: JOURNAL OF MOLECULAR CATALYSIS. A: CHEMICAL. - ISSN 1381-1169. - 157:(2000), pp. 41-58. [10.1016/S1381-1169(99)00449-5]
Synthesis and catalytic activity of allyl, methallyl and methyl complexes of nickel(II) and palladium(II) with biphosphine monoxide ligands: oligomerization of ethylene and copolymerization of ethylene and carbon monoxide
MASTRORILLI, Pietro;SURANNA, Gian Paolo
2000-01-01
Abstract
The syntheses of new cationic nickel complexes {[eta(3)-methallyl]Ni[ kappa (2) P,O-Ph(2) P(X)P(O)Ph(2)]}SbF(6), (1)-(2) [X = (o-C(6)H(4)) (1), (NH), (2)1 have been accomplished. The complexes oligomerize ethylene to linear cl-olefins with selectivities as high as 89%. A dependence of oligomerization grade and activity on backbone geometry was shown. New cationic allyl and methyl complexes of palladium(II) [(CH(3)CN)(Me)Pd(kappa(2)P,O-Ar(2)P(CH(2))(n)P(O)Ar(2))]X [n = 1-3, X = BF(4), Ar = C(6)H(5) (18-20)] [n = 1, X = SbF(6), Ar =p-tolyl (23); n = 1 or 2, X = SbF(6), Ar = C(6)H(5) (21) or (22)]; [( eta(3)-C(3)H(5)Pd(kappa(2)P,O- Ph(2)P(CH(2))(n)P(O)Ph(2))]X, [n = 2, X=triflate (10), tosylate (13); n=3, X=triflate (11), tosylate (14)], ([ eta(3)- C(3)H(5))]Pd(kappa(2)P,O-Ar(2)P(CH(2))(n)P(O)Ar(2))]X, [n = 1, X = SbF(6), Ar =p-tolyl (17); n = 2, X = SbF(6) Ar = C(6)H(5)(16)] have been synthesized in good yields. These complexes have been used in the catalytic oligomerization of ethylene, and in the catalytic alternating copolymerization of ethylene and carbon monoxide, to yield polyketones.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.