Backfunctionalized imidazolinium salts and nhc carbene-metal complexes
AssigneeGovernment of the United States as Represented by the Secretary of the Air Force
InventorsRusty L. Blanski, Robert H. Grubbs
Life of this patent
Estimating the term…
Abstract
Backfunctionalized imidazolinium salts and methods of synthesizing the same and NHC carbene-metal complexes therefrom. For backfunctionalized imidazolinium salts of the formula: Wherein R1 is selected from the group consisting of an ester group, an amide group, and an aromatic group; R2 is selected from the group consisting of hydrogen, an ester group, an amide group, and an aromatic group; R3 and R4 are each an aliphatic group; and X is an anion; the method comprises cyclization of a halogenated acrylate with Hünig's base in a solvent.
Claims15
A method of synthesizing a backfunctionalized imidazolinium salt comprising the formula:
- R1 being selected from the group consisting of an ester group, an amide group, and an aromatic group;
- R2 being selected from the group consisting of hydrogen, an ester group, an amide group, and an aromatic group;
- R3 and R4 are each an aliphatic group;
- and
- X is an anion,
- the method comprising:
- cyclization of a halogenated acrylate with a primary base in a solvent, the primary base being Hünig's base.
A method of synthesizing a backfunctionalized imidazolinium salt comprising the formula:
- R1 being selected from the group consisting of an ester group, an amide group, and an aromatic group;
- R2 being selected from the group consisting of hydrogen, an ester group, an amide group, and an aromatic group;
- R3 and R4 are each an aliphatic group;
- and
- X is an anion,
- the method comprising:
- formamidine cyclization of a halogenated, fluorinated allyl ether with Hünig's base in polar aprotic solvent.
Dependencies are inferred from the claim text.