Catalyst complex with carbene ligand
AssigneeUniversity of New Orleans Foundation
InventorsSteven P. Nolan, Jinkun Huang
Life of this patent
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Abstract
Catalytic complexes including a metal atom having anionic ligands, at least one nucleophilic carbene ligand, and an alkylidene, vinylidene, or allenylidene ligand. The complexes are highly stable to air, moisture and thermal degradation. The complexes are designed to efficiently carry out a variety of olefin metathesis reactions.
Claims100
A catalytic complex of the formula:
- wherein M is Os or Ru;
- R and R1 are independently selected from the group consisting of hydrogen, C1-C20 alkyl, C2-C20 alkenyl, C2-C20 alkynyl, C2-C20 alkoxycarbonyl, aryl, C1-C20 carboxylate, C1-C20 alkoxy, C2-C20 alkenyloxy, C2-C20 alkynyloxy, aryloxy, C1-C20 alkylthio, C1-C20 alkylsulfonyl, and C1-C20 alkylsulfinyl, each R and R1 optionally being substituted with C1-C5 alkyl, halogen, C1-C10 alkoxy, or with a phenyl group substituted with halogen, C1-C5 alkyl or C1-C5 alkoxy, or with a functional group;
- X and X1 are independently selected from the group consisting of anionic ligands;
- L is selected from the group consisting of phosphine, sulfonated phosphine, phosphite, phosphinite, phosphonite, ether, amine, amide, sulfoxide, carbonyl, nitrosyl, pyridine and thioether;
- and
- L1 is a nucleophilic carbene.
A catalytic complex of the formula:
- wherein either or both of C1 and C2 are optionally absent;
- M is selected from the group consisting of Os and Ru;
- R and R1 are independently selected from the group consisting of hydrogen, C1-C20 alkyl, C2-C20 alkenyl, C2-C20 alkynyl, C2-C20 alkoxycarbonyl, aryl, C1-C20 carboxylate, C1-C20 alkoxy, C2-C20 alkenyloxy, C2-C20 alkynyloxy aryloxy, C1-C20 alkylthio, C1-C20 alkylsulfonyl, and C1-C20 alkylsulfinyl, each R and R1 optionally being substituted with C1-C5 alkyl, halogen, C1-C10 alkoxy, or with a phenyl group substituted with halogen, C1-C5 alkyl or C1-C5 alkoxy, or with a functional group;
- X is an anionic ligand;
- L is a nucleophilic carbene;
- Ar is an aryl substituent, bonded to M by an η6 bond;
- and
- A− is an inorganic anion or an organic anion.
A method of making a nucleophilic carbene, said method comprising:
- a) contacting a substituted or unsubstituted aniline with an approximately one-half equimolar amount of paraformaldehyde under an inert atmosphere to make a first reaction mixture;
- b) heating said first reaction mixture until said paraformaldehyde dissolves;
- c) adding an approximately one-half equimolar amount of a dialkoxyacetaldehyde to make a second reaction mixture;
- and
- d) heating said second reaction mixture for a time and under conditions sufficient to make a nucleophilic carbene.
A method of performing ring closing metathesis, said method comprising contacting a diene with a catalytic complex under conditions appropriate, and for a time sufficient to produce a cyclic alkene, wherein the catalytic complex has the formula:
- wherein M is Os or Ru;
- wherein C2 is optionally absent;
- R and R1 are independently selected from the group consisting of hydrogen, C1-C20 alkyl, C2-C20 alkenyl, C2-C20 alkynyl, C2-C20 alkoxycarbonyl, aryl, C1-C20 carboxylate, C1-C20 alkoxy, C2-C20 alkenyloxy, C2-C20 alkynyloxy, aryloxy, C1-C20 alkylthio, C1-C20 alkylsulfonyl, and C1-C20 alkylsulfinyl, each R and R′ optionally being substituted with C1-C5 alkyl, halogen, C1-C10 alkoxy, or with a phenyl group substituted with halogen, C1-C5 alkyl or C1-C5 alkoxy, or with a functional group;
- X and X1 are independently selected from the group consisting of anionic ligands;
- L is selected from the group consisting of phosphine, sulfonated phosphine, phosphite, phosphinite, phosphonite, ether, amine, amide, sulfoxide, carbonyl, nitrosyl, pyridine and thioether;
- and
- L1 is a nucleophilic carbene.
A method of performing ring closing metathesis, said method comprising contacting a diene with a catalytic complex under conditions appropriate, and for a time sufficient to produce a cyclic alkene, wherein the catalytic complex has the formula:
- wherein either or both of C1 and C2 are optionally absent;
- M is selected from the group consisting of Os and Ru;
- R and R1 are independently selected from the group consisting of hydrogen, C1-C20 alkyl, C2-C20 alkenyl, C2-C20 alkynyl, C2-C20 alkoxycarbonyl, aryl, C1-C20 carboxylate, C1-C20 alkoxy, C2-C20 alkenyloxy, C2-C20 alkynyloxy, aryloxy, C1-C20 alkylthio, C1-C20 alkylsulfonyl, and C1-C20 alkylsulfinyl, each R and R1 optionally being substituted with C1-C5 alkyl, halogen, C1-C10 alkoxy, or with a phenyl group substituted with halogen, C1-C5 alkyl or C1-C5 alkoxy, or with a functional group;
- X is an anionic ligand;
- L is a nucleophilic carbene;
- Ar is an aryl substituent, bonded to M by an η6 bond;
- and
- A− is an inorganic anion or an organic anion.
A catalytic complex of the formula:
- wherein M is Os or Ru;
- in which carbon atom C is bonded to up to two groups R and R1;
- R and R1 are independently selected from the group consisting of hydrogen, C1-C20 alkyl, C2-C20 alkenyl, C2-C20 alkynyl, C2-C20 alkoxycarbonyl, aryl, C1-C20 carboxylate, C1-C20 alkoxy, C2-C20 alkenyloxy C2-C20 alkynyloxy, aryloxy, C1-C20 alkylthio, C1-C20 alkylsulfonyl, and C1-C20 alkylsulfinyl each R and R1 optionally being substituted with C1-C5 alkyl, halogen, C1-C10 alkoxy, or with a phenyl group substituted with halogen, C1-C5 alkyl or C1-C5 alkoxy, or with a functional group;
- X and X1 are independently selected from the group consisting of anionic ligands;
- L is selected from the group consisting of phosphine, sulfonated phosphine, phosphite, phosphinite, phosphonite, ether, amine, amide, sulfoxide, carbonyl, nitrosyl, pyridine and thioether;
- and
- L1 is of the formula
- wherein Y and Y′ are each independently an aryl group substituted with halogen, C1-C5 alkyl, or C1-C5 alkoxy, or with a phenyl group substituted with halogen, C1-C5 alkyl or C1-C5 alkoxy;
- and
- Z and Z1 are independently selected from the group consisting of hydrogen, C1-C20 alkyl, C2-C20 alkenyl, C2-C20 alkynyl, C2-C20 alkoxycarbonyl, aryl, C1-C20 carboxylate, C1-C20 alkoxy, C2-C20 alkenyloxy, C2-C20 alkynyloxy, and aryloxy, each Z and Z1 optionally being substituted with C1-C5 alkyl, halogen, C1-C5 alkoxy, or with a phenyl group substituted with halogen, C1-C5 alkyl or C1-C5 alkoxy.
A catalytic complex of the formula:
- wherein
- L is selected from the group consisting of phosphine, sulfonated phosphine, phosphite, phosphinite, phosphonite, ether, amine, amide, sulfoxide, carbonyl, nitrosyl, pyridine and thioether;
- and
- L1 is a nucleophilic carbene, wherein L1 is of the formula
- wherein Y and Y1 are each independently an aryl group substituted with halogen, C1-C5 alkyl, or C1-C5 alkoxy, or with a phenyl group substituted with halogen, C1-C5 alkyl or C1-C5 alkoxy;
- and
- Z and Z1 are independently selected from the group consisting of hydrogen, C1-C20 alkyl, C2-C20 alkenyl, C2-C20-alkynyl, C21-C20 alkoxycarbonyl, aryl, C1-C20 carboxylate, C1-C20 alkoxy, C2-C20 alkenyloxy, C2-C20 alkynyloxy, and aryloxy, each Z and Z1 optionally being substituted with C1-C5 alkyl, halogen, C1-C5 alkoxy, or with a phenyl group substituted with halogen, C1-C5 alkyl or C1-C5 alkoxy.
A catalytic complex of the formula:
- wherein
- L is selected from the group consisting of phosphine, sulfonated phosphine, phosphite, phosphinite, phosphonite, ether, amine, amide, sulfoxide, carbonyl, nitrosyl, pyridine and thioether;
- and
- L1 is a nucleophilic carbene, wherein L1 is of the formula
- wherein Y and Y1 are each independently an aryl group substituted with halogen, C1-C5 alkyl, or C1-C5 alkoxy, or with a phenyl group substituted with halogen, C1-C5 alkyl or C1-C5 alkoxy;
- and
- Z and Z1 are independently selected from the group consisting of hydrogen, C1-C20 alkyl, C2-C20 alkenyl, C2-C20 alkynyl, C2-C20 alkoxycarbonyl, aryl, C1-C20 carboxylate, C1-C20 alkoxy, C2-C20 alkenyloxy, C2-C20 alkynyloxy, and aryloxy, each Z and Z1 optionally being substituted with C1-C5 alkyl, halogen, C1-C5 alkoxy, or with a phenyl group substituted with halogen, C1-C5 alkyl or C1-C5 alkoxy.
A catalytic complex of the formula:
- wherein M is Os or Ru;
- R and Z1 are independently selected from the group consisting of hydrogen, C1-C20 alkyl, C2-C20 alkenyl, C2-C20 alkynyl, C2-C20 alkoxycarbonyl, aryl, C1-C20 carboxylate, C1-C20 alkoxy, C2-C20 alkenyloxy, C2-C20 alkynyloxy, aryloxy, C1-C20 alkylthio, C1-C20 alkylsulfonyl, and C1-C20 alkylsulfinyl, each R and R1 optionally being substituted with C1-C5 alkyl, halogen, C1-C10 alkoxy, or with a phenyl group substituted with halogen, C1-C5 alkyl or C1-C5 alkoxy, or with a functional group;
- X and X1 are independently selected from the group consisting of anionic ligands;
- L is selected from the group consisting of phosphine, sulfonated phosphine, phosphite, phosphinite, phosphonite, ether, amine, amide, sulfoxide, carbonyl, nitrosyl, pyridine and thioether;
- L1 is a nucleophilic carbene;
- and
- wherein the catalytic complex has one or more further characterization selected from the group consisting of
- (1) at least 2 of X, X1, L or L1 are bonded together to form a multidentate ligand;
- (2) the complex is linked to a solid support by means of a link between the solid support and the nucleophilic carbene or by means of a link between the solid support and at least one of the anionic ligands;
- (3) L1 has the formula
- where Y and Y1 are independently selected from the group consisting of hydrogen, C1-C20 alkyl, C2-C20 alkenyl, C2-C20 alkynyl, C2-C20 alkoxycarbonyl, aryl, C1-C20 carboxylate, C1-C20 alkoxy, C2-C20 alkenyloxy, C2-C20 alkynyloxy, and aryloxy, each Y and Y1 optionally being substituted with C1-C5 alkyl, halogen, C1-C6 alkoxy, or with a phenyl group substituted with halogen, C1-C5 alkyl or C1-C5 alkoxy;
- and
- Z and Z1 are independently selected from the group consisting of hydrogen, C1-C20 alkyl, C2-C20 alkenyl, C2-C20 alkynyl, C2-C20 alkoxycarbonyl, aryl, C1-C20 carboxylate, C1-C20 alkoxy, C2-C20 alkenyloxy, C2-C20 alkynyloxy, and aryloxy, each Z and Z1 optionally being substituted with C1-C5 alkyl, halogen, C1-C6 alkoxy, or with a phenyl group substituted with halogen, C1-C5 alkyl or C1-C5 alkoxy;
- and
- (4) any combination of the foregoing characteristics.
A catalytic complex of the formula:
- wherein M is Os or Ru;
- R is hydrogen;
- R1 is tert-butyl;
- X and X1 are chloride;
- L is selected from the group consisting of phosphine, sulfonated phosphine, phosphite, phosphinite, phosphonite, ether, amine, amide, sulfoxide, carbonyl nitrosyl, pyridine and thioether;
- and
- L1 is a nucleophilic carbene of the formula
- where Y and Y1 are independently selected from the group consisting of hydrogen, C1-C20 alkyl, C2-C20 alkenyl, C2-C20 alkynyl, C2-C20 alkoxycarbonyl, aryl, C1-C20 carboxylate, C1-C20 alkoxy, C2-C20 alkenyloxy, C2-C20 alkynyloxy, and aryloxy, each Y and Y1 optionally being substituted with C1-C5 alkyl, halogen, C1-C6 alkoxy, or with a phenyl group substituted with halogen, C1-C5 alkyl or C1-C5 alkoxy;
- and
- Z and Z1 are independently selected from the group consisting of hydrogen, C1-C20 alkyl, C2-C20 alkenyl, C2-C20 alkynyl, C2-C20 alkoxycarbonyl, aryl, C1-C20 carboxylate, C1-C20 alkoxy, C2-C20 alkenyloxy, C2-C20 alkynyloxy, and aryloxy, each Z and Z1 optionally being substituted with C1-C5 alkyl, halogen, C1-C6 alkoxy, or with a phenyl group substituted with halogen, C1-C5 alkyl or C1-C5 alkoxy.
Dependencies are inferred from the claim text.