Phosphine derivative and polymer thereof and transition metal complex comprising the same
First Claim
Patent Images
1. An oligomer or polymer having a structural unit represented by formula (III):
- wherein Ar represents a substituted or unsubstituted phenyl group or a substituted or unsubstituted naphthyl group, and k represents an integer of 2 to 100.
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Abstract
Disclosed are a phosphine derivative represented by formula (I):
wherein Ar represents a substituted or unsubstituted phenyl group or a substituted or unsubstituted naphthyl group, a transition metal complex comprising the phosphine derivative or a polymer thereof as a ligand, and a process for producing an optically active amino acid compound by asymmetric hydrogenation using the transition metal complex as a catalyst.
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Citations
9 Claims
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1. An oligomer or polymer having a structural unit represented by formula (III):
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wherein Ar represents a substituted or unsubstituted phenyl group or a substituted or unsubstituted naphthyl group, and k represents an integer of 2 to 100. - View Dependent Claims (3, 4, 5)
wherein Ar and k are as defined in claim 1 or 2;
M represents ruthenium, rhodium, iridium or palladium;
W represents an allyl group, a methallyl group, 1,5-cyclooctadiene, norbornadiene, a halogen atom, an acetoxy group or an acetylacetonato group;
Y represents a hydrogen atom, a halogen atom, ClO4, BF4, PF6, BPh4 (tetraphenylborate), OTf (trifluoromethanesulfonyloxy) or SbF6;
Z represents a substituted or unsubstituted benzene; and
p, q, and r each represent a number of 0 to 2 provided that p, q, and r do not simultaneously represent 0.
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5. A transition metal complex according to claim 3, which has a structural unit represented by formula (VI) and a structural unit represented by formula (IV) and/or a structural unit represented by formula (V):
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wherein Ar, R1, R2, k, l, and m are as defined in claim 1 or 2;
M represents ruthenium, rhodium, iridium or palladium;
W represents an allyl group, a methallyl group, 1,5-cyclooctadiene, norbornadiene, a halogen atom, an acetoxy group or an acetylacetonato group;
Y represents a hydrogen atom, a halogen atom, ClO4, BF4, PF6, BPh4 (tetraphenylborate), OTf (trifluoromethanesulfonyloxy) or SbF6;
Z represents a substituted or unsubstituted benzene; and
p, q, and r each represent a number of 0 to 2 provided that p, q, and r do not simultaneously represent 0.
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2. A copolymer having a structural unit represented by formula (III) and a structural unit represented by formula (IV) and/or a structural unit represented by formula (V):
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wherein Ar represents a substituted or unsubstituted phenyl group or a substituted or unsubstituted naphthyl group;
R1 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a halogen atom;
R2 represents a hydrogen atom or a methyl group;
k represents an integer of 2 to 100; and
l and m each represent an integer of 0 to 1000 provided that l and m do not simultaneously represent 0 and that the sum of k, l, and m ranges from 10 to 1000.
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6. A process for producing an oligomer or polymer having a structural unit represented by formula (III):
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wherein Ar represents a substituted or unsubstituted phenyl group or a substituted or unsubstituted naphthyl group; and
k represents an integer of 2 to 100,comprising solution polymerization or suspension polymerization of a phosphine derivative represented by formula (I);
wherein Ar is as defined above.
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7. A process for producing a copolymer having a structural unit represented by formula (III) and a structural unit represented by formula (IV) and/or a structural unit represented by formula (V):
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wherein Ar represents a substituted or unsubstituted phenyl group or a substituted or unsubstituted naphthyl group;
R1 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a halogen atom;
R2 represents a hydrogen atom or a methyl group;
k represents an integer of 2 to 100; and
l and m each represent an integer of 0 to 1000 provided that l and m do not simultaneously represent 0 and that the sum of k, l, and m ranges from 10 to 1000,comprising solution copolymerization or suspension copolymerization of a phosphine derivative represented by formula (I);
wherein Ar is as defined above, with a styrene derivative represented by formula (IVa);
wherein R1 and R2 are as defined above, and/or divinylbenzene represented by formula (Va);
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8. A process for producing a transition metal complex having a structural unit represented by formula (VI):
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wherein Ar represents a substituted or unsubstituted phenyl group or a substituted or unsubstituted naphthyl group;
M represents ruthenium, rhodium, iridium or palladium;
W represents an allyl group, a methallyl group, 1,5-cyclooctadiene, norbornadiene, a halogen atom, an acetoxy group or an acetylacetonato group;
Y represents a hydrogen atom, a halogen atom, ClO4, BF4, PF6, BPh4 (tetraphenylborate), OTf (trifluoromethanesulfonyloxy) or SbF6;
Z represents a substituted or unsubstituted benzene;
k represents an integer of 2 to 100; and
p, q, and r each represent a number of 0 to 2 provided that p, q, and r do not simultaneously represent 0,comprising solution polymerization or suspension polymerization of a transition metal complex represented by formula (II);
wherein Ar, M, W, Y, Z, p, q, and r are as defined above.
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9. A process for producing a transition metal complex having a structural unit represented by formula (VI) and a structural unit represented by formula (IV) and/or a structural unit represented by formula (V):
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wherein Ar represents a substituted or unsubstituted phenyl group or a substituted or unsubstituted naphthyl group;
R1 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a halogen atom;
R2 represents a hydrogen atom or a methyl group;
M represents ruthenium, rhodium, iridiumorpalladium;
W represents an allyl group, a methallyl group, 1,5-cyclooctadiene, norbornadiene, a halogen atom, an acetoxy group or an acetylacetonato group;
Y represents a hydrogen atom, a halogen atom, ClO4, BF4, PF6, BPh4 (tetraphenylborate), OTf (trifluoromethanesulfonyloxy) or SbF6;
Z represents a substituted or unsubstituted benzene;
p, q, and r each represent a number of 0 to 2 provided that p, q, and r do not simultaneously represent 0;
k represents an integer of 2 to 100; and
l and m each represent an integer of 0 to 1000 provided that l and m do not simultaneously represent 0 and that the sum of k, l, and m ranges from 10 to 1000,comprising solution copolymerization or suspension copolymerization of a transition metal complex represented by formula (II);
wherein Ar, M, W, Y, Z, p, q, and r are as defined above, with a styrene derivative represented by formula (IVa);
wherein R1 and R2 are as defined above, and/or divinylbenzene represented by formula (Va);
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Specification