公开(公告)号：US20190194233A1

公开(公告)日：2019-06-27

申请号：US16243686

申请日：2019-01-09

Applicant: Versalis S.p.A.

Inventor： Giovanni RICCI ,  Giuseppe LEONE ,  Anna SOMMAZZI ,  Alessandra FORNI ,  Francesco MASI

IPC: C07F9/50 ,  C08F10/08 ,  C08F10/06 ,  C08F4/76 ,  C07F9/46 ,  C08F4/68 ,  C08F4/20 ,  C08F10/00

CPC classification number: C07F9/5045 ,  C07F9/46 ,  C08F4/20 ,  C08F4/68 ,  C08F4/68086 ,  C08F4/76 ,  C08F10/00 ,  C08F10/06 ,  C08F10/08 ,  C08F136/06

Abstract: Vanadium phosphinic complex having general formula (I) or (II): V(X)3[P(R1)n(R2)3-n]2  (I) V(X)3[(R3)2P(R4)P(R3)2]  (II) wherein: X represents an anion selected from halogens such as, for example, chlorine, bromine, iodine, preferably chlorine; or is selected from the following groups: thiocyanate, isocyanate, sulfate, acid sulfate, phosphate, acid phosphate, carboxylate, dicarboxylate; R1, identical or different among them, represent a hydrogen atom, or an allyl group (CH2═CH—CH2—); or are selected from alkyl groups C1-C20, preferably C1-C15, linear or branched, optionally halogenated, optionally substituted cycloalkyl groups; n is an integer ranging from 0 to 3; R2, identical or different among them, are selected from optionally substituted aryl groups; R3, identical or different among them, represent a hydrogen atom, or an allyl group (CH2═CH—CH2—); or are selected from alkyl groups C1-C20, preferably C1-C15, linear or branched, optionally halogenated, optionally substituted cycloalkyl groups, optionally substituted aryl groups; R4 represents a group —NR5 wherein R5 represents a hydrogen atom, or is selected from C1-C20 alkyl groups, preferably C1-C15, linear or branched; or R4 represents an alkylene group —(CH2) p- wherein p represents an integer ranging from 1 to 5; provided that in the general formula (I), in case n is equal to 1 and R1 is methyl, R2 is different from phenyl. Said phosphinic vanadium complex having general formula (I) or (II) can be advantageously used in a catalytic system for the (co)polymerization of conjugated dienes.

公开(公告)号：US20180282458A1

公开(公告)日：2018-10-04

申请号：US15765782

申请日：2016-11-10

Applicant: versalis S.p.A

Inventor： Giovanni RICCI ,  Giuseppe LEONE ,  Anna SOMMAZZI ,  Francesco MASI

IPC: C08F236/08 ,  C08F236/06 ,  C07F9/00

Abstract: Vanadium pyridine-imine complex having general formula (I), wherein:—R1, R2, R3, R4, R5 and R6, equal to or different from each other, represent a hydrogen atom; or are selected from linear or branched C1-C20 alkyl groups, preferably C1-C15, optionally halogenated cycloalkyl groups optionally substituted, aryl groups optionally substituted;—X1, X2 and X3, equal to or different from each other, represent a halogen atom such as, for example, chlorine, bromine, iodine, preferably chlorine; or are selected from linear or branched C1-C20 alkyl groups, preferably C1-C15, —OCOR7 groups or —OR7 groups wherein R7 is selected from linear or branched C1-C20 alkyl groups, preferably C1-C15;—Y is selected from ethers such as, for example, diethylether, tetrahydrofuran (THF), dimethoxyethane, preferably is etrahydrofuran (THF);—n is 0 or 1. Said vanadium pyridine-imine complex having general formula (I) can be advantageously used in a catalytic system for the (co) polymerization of conjugated dienes.

公开(公告)号：US20170349682A1

公开(公告)日：2017-12-07

申请号：US15538338

申请日：2015-12-23

Applicant: VERSALIS S.p.A.

Inventor： Guido PAMPALONI ,  Giovanni RICCI ,  Anna SOMMAZZI ,  Francesco MASI ,  Giuseppe LEONE

IPC: C08F136/06 ,  C08F4/68 ,  C08F136/08

CPC classification number: C08F136/06 ,  C08F4/68043 ,  C08F4/6812 ,  C08F136/08

Abstract: An oxo-nitrogenated vanadium complex having the general formula (I): in which: R1, R2, R3, R4, R5, R6 and R7, mutually identical or different, represent a hydrogen atom; or are selected from optionally halogenated, linear or branched C1-C20, preferably C1-C15, alkyl groups, optionally substituted cycloalkyl groups, optionally substituted aryl groups; X1 and X2, mutually identical or different, represent a halogen atom such as, for example, chlorine, bromine, iodine, preferably chlorine; or are selected from linear or branched C1-C20, preferably C1-C15, alkyl groups, —OCOR8 groups or —OR8 groups in which R8 is selected from linear or branched C1-C20, preferably C1-C15, alkyl groups; Y is selected from ethers such as, for example, diethyl ether, tetrahydrofuran (THF), dimethoxyethane, preferably is tetrahydrofuran (THF); n is 0 or 1. Said oxo-nitrogenated vanadium complex having the general formula (I) may advantageously be used in a catalytic system for (co)polymerising conjugated dienes.

公开(公告)号：US20170275312A1

公开(公告)日：2017-09-28

申请号：US15518556

申请日：2015-11-24

Applicant: Versalis S.p.A.

Inventor： Giovanni RICCI ,  Giuseppe LEONE ,  Anna SOMMAZZI ,  Alessandra FORNI ,  Francesco MASI

IPC: C07F9/50 ,  C08F10/08 ,  C08F10/06 ,  C08F4/76

CPC classification number: C07F9/5045 ,  C07F9/46 ,  C08F4/20 ,  C08F4/68 ,  C08F4/68086 ,  C08F4/76 ,  C08F10/00 ,  C08F10/06 ,  C08F10/08 ,  C08F136/06

Abstract: Vanadium phosphinic complex having general formula (I) or (II): V(X)M3P̂WFys-nMO V(X)3[(R3)2P(R4)P(R3)2] (ID wherein: X represents an anion selected from halogens such as, for example, chlorine, bromine, iodine, preferably chlorine; or is selected from the following groups: thiocyanate, isocyanate, sulfate, acid sulfate, phosphate, acid phosphate, carboxylate, dicarboxylate; Ri, identical or different among them, represent a hydrogen atom, or an allyl group (CH2=CH—CH2-); or are selected from alkyl groups CrC2o, preferably CrĈ, linear or branched, optionally halogenated, optionally substituted cycloalkyl groups; —n is an integer ranging from 0 to 3; R2, identical or different among them, are selected from optionally substituted aryl groups; R3, identical or different among them, represent a hydrogen atom, or an allyl group (CH2=CH—CH2-); or are selected from alkyl groups C1-C2o, preferably CrĈ, linear or branched, optionally halogenated, optionally substituted cycloalkyl groups, optionally substituted aryl groups; R4 represents a group —NR5 wherein R5 represents a hydrogen atom, or is selected from C1-C20 alkyl groups, preferably CrC15, linear or branched; or R4 represents an alkylene group —(CH2) p- wherein p represents an integer ranging from 1 to 5; provided that in the general formula (I), in case n is equal to 1 and Ri is methyl, R2 is different from phenyl. Said phosphinic vanadium complex having general formula (I) or (II) can be advantageously used in a catalytic system for the (co)polymerization of conjugated dienes.