Abstract: A process for producing a butene-ethylene copolymer which has 1-butene content of 60% by mol or more, Mw of 200,000 or more, and Mw/Mn of 3 or less, the process including a step of copolymerizing 1-butene and ethylene in the presence of a catalyst for polymerizing olefin, and said catalyst containing a transition metal complex of the following formula (1) as a catalytic component: in which M represents a Group 4 transition metal atom; A represents an atom of Group 16; B represents an atom of Group 14; Flu represents a group having a fluorenyl anion backbone; X1 and X2 each represents a hydrogen atom, a halogen atom, or an alkyl group, an aralkyl group, an aryl group, an alkoxy group, an aralkyloxy group or an aryloxy group, each of which may be optionally substituted with a halogen atom, or a di-hydrocarbon-substituted amino group; and R1, R2, R3, R4, R5 and R6 are defined in the specification.

Abstract: The invention provides a process for producing a metallocene compound of formula (3) wherein R1 to R9 independently denote a hydrogen atom, a halogen atom, an alkyl, or the like; R10 denotes a halogen atom, an alkyl, an alkoxy, or the like; X5 and X6 independently denote a hydrogen atom, a halogen atom, or the like; and M denotes a transition metal atom of Group 4 of the Periodic Table, which process is characterized by reacting a silicon-substituted cyclopentadiene compound of formula (1) wherein R1 to R10 independently denote the same as described above; R11 denotes a hydrocarbon group or a tri-substituted silyl; and R12 to R14 independently denote a halogen atom or a hydrocarbon group, with a transition metal compound of the following formula (2) wherein M denotes the same as described above; X1, X2, X3, and X4 independently denotes a hydrogen atom, a halogen atom, an alkyl, or the like, in a solvent containing an aromatic hydrocarbon.

Abstract: The present invention provides a process for producing an alkoxy-titanium complex of formula (2) by reacting a titanium halide complex of formula (1) with an alkaline earth metal alkoxide: wherein A denotes a Group 14 element in a periodic table; R1, R2, R3, and R4 are the same or different and denote a hydrogen atom, halogen, a C1-20 alkyl group which may be substituted by halogen, a C6-20 aryl group which may be substituted by halogen, or the like; R5, R6, R7, R8, R9, and R10 are the same or different and independently denote a hydrogen atom, halogen, a C1-20 alkyl group which may be substituted by halogen, or the like; and X1 and X2 independently denote any halogen atom: wherein R11 and R12 are the same or different and independently denote a C1-20 alkyl group which may be substituted by halogen, or the like.

Abstract: A rare earth metal complex represented by the formula (1): in which A represents a Group 14 element of the periodic table, Cp represents a group having a substituted or unsubstituted cyclopentadienyl anion moiety, Ln represents a Group 3 metal atom or a lanthanoid metal atom, R1 to R6 are the same or different, and represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an aralkyl group having 7 to 20 carbon atoms, a silyl group substituted with a hydrocarbon group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, R7 represents an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, or an aralkyl group having 7 to 20 carbon atoms, Xs represent a monoanionic ligand, Ys represent a neutral ligand, m represents an integer of 1 to 3, and n represents an integer of 0 to 3. The rare earth metal complex is useful as, for example, a catalyst for polymerization reaction of olefins.

Abstract: The invention provides a process for producing a metallocene compound of formula (3) wherein R1 to R9 independently denote a hydrogen atom, a halogen atom, an alkyl, or the like; R10 denotes a halogen atom, an alkyl, an alkoxy, or the like; X5 and X6 independently denote a hydrogen atom, a halogen atom, or the like; and M denotes a transition metal atom of Group 4 of the Periodic Table, which process is characterized by reacting a silicon-substituted cyclopentadiene compound of formula (1) wherein R1 to R10 independently denote the same as described above; R11 denotes a hydrocarbon group or a tri-substituted silyl; and R12 to R14 independently denote a halogen atom or a hydrocarbon group, with a transition metal compound of the following formula (2) wherein M denotes the same as described above; X1, X2, X3, and X4 independently denotes a hydrogen atom, a halogen atom, an alkyl, or the like, in a solvent containing an aromatic hydrocarbon.

Abstract: The present invention provides a process for producing an alkoxy-titanium complex of formula (2) by reacting a titanium halide complex of formula (1) with an alkaline earth metal alkoxide: wherein A denotes a Group 14 element in a periodic table; R1, R2, R3, and R4 are the same or different and denote a hydrogen atom, halogen, a C1-20 alkyl group which may be substituted by halogen, a C6-20 aryl group which may be substituted by halogen, or the like; R5, R6, R7, R8, R9, and R10 are the same or different and independently denote a hydrogen atom, halogen, a C1-20 alkyl group which may be substituted by halogen, or the like; and X1 and X2 independently denote any halogen atom: wherein R11 and R12 are the same or different and independently denote a C1-20 alkyl group which may be substituted by halogen, or the like.

Abstract: A transition metal complex represented by the general formula [1]; a catalyst component for olefin polymerization comprising said transition metal complex; a catalyst for olefin polymerization using said transition metal complex as a catalyst component for olefin polymerization; a process for producing an olefin polymer comprising the step of polymerizing an olefin in the presence of said catalyst for olefin polymerization; a substituent-carrying fluorene compound; a process for producing said substituent-carrying fluorene compound; and a process for producing said transition metal complex using said substituent-carrying fluorene compound: wherein M is the group 4 transition metal atom in the periodic table of elements; A is the group 16 atom therein; J is the group 14 atom therein; R1, R2, R3, R4, R5, R6, X1 and X2 are independently of one another (1) a substituent selected from the group consisting of (1-1) an alkyl group having 1 to 20 carbon atoms, which may be substituted by a halogen atom, (1-2) an

Abstract: A transition metal complex represented by the formula (1): wherein M is a Group 4 transition metal, A is a Group 16 element, B is a Group 14 element, n is an integer of 0 or 1, R1, R2, R3 and R4 may be the same or different and each independently denotes a substituent selected from the group consisting of the groups (I) and (II): group (I): hydrogen, alkyl and so on, group (II): alkoxy, alkylthio and so on, provided that at least one of R1, R2, R3 and R4 is a substituent selected from group (II); R5, R6, R7, R8, R9, R10, X1 and X2 may be the same or different and are each hydrogen, halogen, alkyl or the like; and a catalyst for olefin polymerization comprising said complex, an organoaluminum compound and a boron compound are provided.

Abstract: A transition metal complex represented by the formula (1): wherein M is a Group 4 transition metal, A is a Group 16 element, B is a Group 14 element, n is an integer of 0 or 1, R1, R2, R3 and R4 may be the same or different and each independently denotes a substituent selected from the group consisting of the groups (I) and (II): group (I): hydrogen, alkyl and so on, group (II): alkoxy, alkylthio and so on, provided that at least one of R1, R2, R3 and R4 is a substituent selected from group (II); R5, R6, R7, R8, R9, R10, X1 and X2 may be the same or different and are each hydrogen, halogen, alkyd or the like; and a catalyst for olefin polymerization comprising said complex, an organoaluminum compound and a boron compound are provided.

Abstract: A transition metal complex represented by the formula (1): wherein M is a Group 4 transition metal, A is a Group 16 element, B is a Group 14 element, n is an integer of 0 or 1, R1, R2, R3 and R4 may be the same or different and each independently denotes a substituent selected from the group consisting of the groups (I) and (II): group (I): hydrogen, alkyl and so on group (II): alkoxy, alkylthio and so on, provided that at least one of R1, R2, R3 and R4 is a substituent selected from group (II); R5, R6, R7, R8R9, R10, X1 and X2 may be the same or different and are each hydrogen, halogen, alkyl or the like; and a catalyst for olefin polymerization comprising said complex, an organoaluminum compound and a boron compound are provided.

Abstract: A transition metal complex represented by the formula (1): wherein M is a Group 4 transition metal, A is a Group 16 element, B is a Group 14 element, n is an integer of 0 or 1, R1, R2, R3 and R4 may be the same or different and each independently denotes a substituent selected from the group consisting of the groups (I) and (II): group (I): hydrogen, alkyl and so on, group (II): alkoxy, alkylthio and so on, provided that at least one of R1, R2, R3 and R4 is a substituent selected from group (II); R5, R6, R7, R8, R9, R10, X1 and X2 may be the same or different and are each hydrogen, halogen, alkyd or the like; and a catalyst for olefin polymerization comprising said complex, an organoaluminum compound and a boron compound are provided.

Abstract: There are disclosed an optically active azetidincarboxamide-coordinated transition metal complex of formula (1): 1