US 8,975,428 B2 · Dirhodium catalyst compositions and synthetic processes related thereto

Abstract

This disclosure relates to compositions comprising dirhodium catalysts and uses related thereto, e.g., in enantioselective transformations of donor/acceptor carbenoids. In certain embodiments, the dirhodium catalyst comprises a cyclopropyl ring substituted with a carboxylic acid ligand. In certain embodiments, the disclosure relates to compositions comprising a compound of the following formula, or salts thereof wherein, R1, R2, and R3 are defined herein.

Claims20

Dependent claims

A dirhodium catalyst with a carboxylic acid ligand covalently bonded to a cyclopropyl ring substituted with a carbocyclyl, aryl, or heterocyclyl.

A composition comprising a compound of the following formula,

or salts thereof wherein,
R1 is carbocyclyl, aryl, or heterocyclyl wherein R1 is optionally substituted with one or more, the same or different, R4;
R2 is hydrogen, alkyl, halogen, cyano, hydroxy, amino, mercapto, formyl, carboxy, carbamoyl, alkoxy, alkanoyl, alkylthio, alkylamino, (alkyl)2amino, alkylsulfinyl, alkylsulfonyl, arylsulfonyl, carbocyclyl, aryl, or heterocyclyl, wherein R2 is optionally substituted with one or more, the same or different, R4;
R3 is hydrogen, alkyl, halogen, cyano, hydroxy, amino, mercapto, formyl, carboxy, carbamoyl, alkoxy, alkanoyl, alkylthio, alkylamino, (alkyl)2amino, alkylsulfinyl, alkylsulfonyl, arylsulfonyl, carbocyclyl, aryl, or heterocyclyl, wherein R3 is optionally substituted with one or more, the same or different, R4;
R4 is alkyl, halogen, cyano, hydroxy, amino, mercapto, formyl, carboxy, carbamoyl, alkoxy, alkanoyl, alkylthio, alkylamino, (alkyl)2amino, alkylsulfinyl, alkylsulfonyl, arylsulfonyl, carbocyclyl, aryl, or heterocyclyl, wherein R4 is optionally substituted with one or more, the same or different, R5;
R5 is alkyl, halogen, cyano, hydroxy, amino, mercapto, formyl, carboxy, carbamoyl, alkoxy, alkanoyl, alkylthio, alkylamino, (alkyl)2amino, alkylsulfinyl, alkylsulfonyl, arylsulfonyl, carbocyclyl, aryl, or heterocyclyl, wherein R5 is optionally substituted with one or more, the same or different, R6;
and
R6 is halogen, nitro, cyano, hydroxy, trifluoromethoxy, trifluoromethyl, amino, formyl, carboxy, carbamoyl, mercapto, sulfamoyl, methyl, ethyl, methoxy, ethoxy, acetyl, acetoxy, methylamino, ethylamino, dimethylamino, diethylamino, N-methyl-N-ethylamino, acetylamino, N-methylcarbamoyl, N-ethylcarbamoyl, N,N-dimethylcarbamoyl, N,N-diethylcarbamoyl, N-methyl-N-ethylcarbamoyl, methylthio, ethylthio, methylsulfinyl, ethylsulfinyl, mesyl, ethylsulfonyl, methoxycarbonyl, ethoxycarbonyl, N-methylsulfamoyl, N-ethylsulfamoyl, N,N-dimethylsulfamoyl, N,N-diethylsulfamoyl, N-methyl-N-ethylsulfamoyl, carbocyclyl, aryl, or heterocyclyl.

5 more elements

Dependencies are inferred from the claim text.

Facts

Application

14/123,389Filed 1 Jun 2012

Published

US 2014/0155643 A15 Jun 2014

Granted

10 Mar 2015

Term ends

Not estimatedThe source records don’t support an estimate.

Classification8 codes

C07F 15/0073
Compounds of the platinum group: rhodium compounds
B01J 31/2239
At least two oxygen atoms present in one at least bidentate or bridging ligand: bridging ligands, e.g. OAc in Cr24, Pt48 or dicarboxylate ligands
C07F 15/008
Rhodium compounds: without a metal-carbon linkage
B01J 2231/325
Cyclisations via conversion of C-C multiple to single or less multiple bonds, e.g. cycloadditions: cyclopropanations

Abstract

Claims20

Dependent claims

A dirhodium catalyst with a carboxylic acid ligand covalently bonded to a cyclopropyl ring substituted with a carbocyclyl, aryl, or heterocyclyl.

A composition comprising a compound of the following formula,

or salts thereof wherein,
R1 is carbocyclyl, aryl, or heterocyclyl wherein R1 is optionally substituted with one or more, the same or different, R4;
R2 is hydrogen, alkyl, halogen, cyano, hydroxy, amino, mercapto, formyl, carboxy, carbamoyl, alkoxy, alkanoyl, alkylthio, alkylamino, (alkyl)2amino, alkylsulfinyl, alkylsulfonyl, arylsulfonyl, carbocyclyl, aryl, or heterocyclyl, wherein R2 is optionally substituted with one or more, the same or different, R4;
R3 is hydrogen, alkyl, halogen, cyano, hydroxy, amino, mercapto, formyl, carboxy, carbamoyl, alkoxy, alkanoyl, alkylthio, alkylamino, (alkyl)2amino, alkylsulfinyl, alkylsulfonyl, arylsulfonyl, carbocyclyl, aryl, or heterocyclyl, wherein R3 is optionally substituted with one or more, the same or different, R4;
R4 is alkyl, halogen, cyano, hydroxy, amino, mercapto, formyl, carboxy, carbamoyl, alkoxy, alkanoyl, alkylthio, alkylamino, (alkyl)2amino, alkylsulfinyl, alkylsulfonyl, arylsulfonyl, carbocyclyl, aryl, or heterocyclyl, wherein R4 is optionally substituted with one or more, the same or different, R5;
R5 is alkyl, halogen, cyano, hydroxy, amino, mercapto, formyl, carboxy, carbamoyl, alkoxy, alkanoyl, alkylthio, alkylamino, (alkyl)2amino, alkylsulfinyl, alkylsulfonyl, arylsulfonyl, carbocyclyl, aryl, or heterocyclyl, wherein R5 is optionally substituted with one or more, the same or different, R6;
and
R6 is halogen, nitro, cyano, hydroxy, trifluoromethoxy, trifluoromethyl, amino, formyl, carboxy, carbamoyl, mercapto, sulfamoyl, methyl, ethyl, methoxy, ethoxy, acetyl, acetoxy, methylamino, ethylamino, dimethylamino, diethylamino, N-methyl-N-ethylamino, acetylamino, N-methylcarbamoyl, N-ethylcarbamoyl, N,N-dimethylcarbamoyl, N,N-diethylcarbamoyl, N-methyl-N-ethylcarbamoyl, methylthio, ethylthio, methylsulfinyl, ethylsulfinyl, mesyl, ethylsulfonyl, methoxycarbonyl, ethoxycarbonyl, N-methylsulfamoyl, N-ethylsulfamoyl, N,N-dimethylsulfamoyl, N,N-diethylsulfamoyl, N-methyl-N-ethylsulfamoyl, carbocyclyl, aryl, or heterocyclyl.

5 more elements

Dependencies are inferred from the claim text.

Dirhodium catalyst compositions and synthetic processes related thereto

Life of this patent

Abstract

Claims20

Dirhodium catalyst compositions and synthetic processes related thereto

Life of this patent

Abstract

Claims20