Silylhydrocarbyl phosphine transition metal complexes

Claim 1

Silylhydrocarbyl phosphine transition metal complexes of the formula: [(R'.sub.3-x P).sub.z Q.sub.y SiR.sub.4--y ].sub.g •(MX.sub.n).sub.s wherein R is selected from the group consisting of chloro, C 1 -C 4 acyloxy and C 1 -C 6 hydrocarbyl provided that at least one of the groups is not hydrocarbyl, Q is (CH 2 ) p , p being 8 to 30, M is a transition metal of Group VI to VIII, X is an anion or organic ligand, R' is selected from the group consisting of C 1 -C 30 alkyl, cyclohexyl and phenyl, x is 1 to 3, y and z are 1 or 2, g is 1 to 6, s is 1 to 3 and n is 2 to 6.

Claim 12

A method for the preparation of silylhydrocarbyl phosphine transition metal complexes comprising the steps of: (a) selectively adding silanes of the formula R.sub.4-y SiH.sub.y wherein R is selected from the group consisting of chlorine, C 1 -C 4 acyloxy and C 1 -C 4 saturated aliphatic or aromatic hydrocarbyl provided that at least one substituent is chlorine or C 1 -C 4 acyloxy, and y is 1 or 2 to α - ω dienes of the formula: CH.sub.2 ═CH(CH.sub.2).sub.k CH═CH.sub.2 wherein k ranges from 1 to 26, at temperatures between -90° and +90° C using reactant ratios of 2 to 6 moles of diolefin per mole silane to form alkenyl silane adducts; (b) adding phosphines of the formula R'.sub.3-x PH.sub.x wherein R' is selected from the group consisting of C 1 -C 30 alkyl, cyclohexyl and phenyl and x is 1 to 3 to the alkenyl silane of the formula (R.sub.4-y Si[(CH.sub.2).sub.1 CH═CH.sub.2 ].sub.y ) of step (a) wherein R and y are as previously defined and 1 is k + 2, at temperatures between -100° and +16° C to form silylhydrocarbyl phosphines; (c) complexing silylhydrocarbyl phosphines of the formula: (R'.sub.3-x P).sub.z [(CH.sub.2).sub.m ].sub.y SiR.sub.4-y of step (b) wherein R, R' and x and y are as previously defined and z is 1-3 and m is k + 4, with transition metal compounds of the formula MX n , wherein M is a transition metal selected from the group consisting of Group VI, VII and VIII of the Periodic Table of the Elements, X is an anion or organic ligand which satisfies the coordination sites of the metal and n is 2 to 6, to form silylhydrocarbyl phosphine transition metal complexes of the formula [(R'.sub.3-x P).sub.z (CH.sub.2).sub.m SiR.sub.4- ].sub.g •(MX.sub.n).sub.s wherein R, R', M, X, n, m, y and z are as previously defined, g is 1 to 6 and s is 1 to 3.

Claim 13

A method for the preparation of silylhydrocarbyl phosphine transition metal complexes comprising the steps of: (a) selectively adding silanes of the formula R.sub.4-y SiH.sub.y wherein R is selected from the group consisting of chlorine, C 1 -C 4 acyloxy and C 1 -C 4 saturated aliphatic or aromatic hydrocarbyl provided that at least one substituent is chlorine or C 1 -C 4 acyloxy, and y is 1 or 2 to α - ω dienes of the formula: CH.sub.2 ═CH(CH.sub.2).sub.k CH═CH.sub.2 wherein k ranges from 1 to 26, at temperatures between -90° and +90° C using reactant ratios of 2 to 6 moles of diolefin per mole silane to form alkenyl silane adducts; (b) adding phosphines of the formula R'.sub.3-x PH.sub.x wherein R' is selected from the group consisting of C 1 -C 30 alkyl, cyclohexyl and phenyl and x is 1 to 3 to the alkenyl silane of the formula (R.sub.4-y Si[(CH.sub.2).sub.1 CH═CH.sub.2 ].sub.y ) of step (a) wherein R and y are as previously defined and 1 is k + 2, at temperatures between -100° and +16° C to form silylhydrocarbyl phosphines; (c) complexing silylhydrocarbyl phosphines of the formula: (R'.sub.3-x P).sub.z [(CH.sub.2).sub.m ].sub.y SiR.sub.4-y of step (b) wherein R, R' and x and y are as previously defined and z is 1-3 and m is k + 4, with transition metal compounds of the formula MX n , wherein M is a transition metal selected from the group consisting of Group VI, VII and VIII of the Periodic Table of the Elements, X is an anion or organic ligand which satisfies the coordination sites of the metal and n is 2 to 6, to form silylhydrocarbyl phosphine transition metal complexes of the formula [(R'.sub.3-x P).sub.z (CH.sub.2).sub.m SiR.sub.4- ].sub.g •(MX.sub.n).sub.s wherein R, R', M, X, n, m, y and z are as previously defined, g is 1 to 6 and s is 1 to 3.

Claim 19

A method for the preparation of silylhydrocarbyl phosphine transition metal complexes comprising the steps of: (a) selectively adding silanes of the formula R.sub.3 SiH wherein R is chlorine to α, ω - dienes of the formula CH.sub.2 ═CH(CH.sub.2).sub.k CH═CH.sub.2 wherein k is 4 to 10, at temperatures between -90° and +90° C using reactant ratios of 2 to 6 moles of diolefin per mole silane to form alkenyl silane monoadducts of the formula R.sub.3 Si(CH.sub.2).sub.1 CH═CH.sub.2 wherein 1 is k + 2; (b) adding phosphines of the formula R'.sub.2 PH wherein R' is C 1 -C 30 alkyl, cycloalkyl and phenyl to the alkenyl silane of (a) at temperatures between -100° and +16° C to form silylhydrocarbyl phosphines of the formula R.sub.3 Si(CH.sub.2).sub.m PR'.sub.2 wherein m is K + 4; (c) complexing the silylhydrocarbyl phosphine of (b) to Group VIII transition metal compounds of the formula MX.sub.n wherein M is the transition metal, X is an anion selected from the group consisting of chloride, bromide, acetate and organic ligand selected from the group consisting of carbonyl, tetrahydrofuran, pyridine, acetonitrile and 1,5 cyclooctadiene, n is 2 to 6, to form complexes of the formula [R.sub.3 Si(CH.sub.2).sub.m PR'.sub.2 ].sub.g •(MX.sub.n).sub.s wherein g is 1 to 6 and s is 1 to 3.

Claim 20

A method for the preparation of silylhydrocarbyl phosphine transition metal complexes comprising the steps of: (a) selectively adding silanes of the formula R.sub.3 SiH wherein R is chlorine to α, ω - dienes of the formula CH.sub.2 ═CH(CH.sub.2).sub.k CH═CH.sub.2 wherein k is 4 to 10, at temperatures between -90° and +90° C using reactant ratios of 2 to 6 moles of diolefin per mole silane to form alkenyl silane monoadducts of the formula R.sub.3 Si(CH.sub.2).sub.1 CH═CH.sub.2 wherein 1 is k + 2; (b) adding phosphines of the formula R'.sub.2 PH wherein R' is C 1 -C 30 alkyl, cycloalkyl and phenyl to the alkenyl silane of (a) at temperatures between -100° and +16° C to form silylhydrocarbyl phosphines of the formula R.sub.3 Si(CH.sub.2).sub.m PR'.sub.2 wherein m is K + 4; (c) complexing the silylhydrocarbyl phosphine of (b) to Group VIII transition metal compounds of the formula MX.sub.n wherein M is the transition metal, X is an anion selected from the group consisting of chloride, bromide, acetate and organic ligand selected from the group consisting of carbonyl, tetrahydrofuran, pyridine, acetonitrile and 1,5 cyclooctadiene, n is 2 to 6, to form complexes of the formula [R.sub.3 Si(CH.sub.2).sub.m PR'.sub.2 ].sub.g •(MX.sub.n).sub.s wherein g is 1 to 6 and s is 1 to 3.