Copper-Catalyzed Coupling of Pyridines and Quinolines with Alkynes: A One-Step, Asymmetric Route to Functionalized Heterocycles
作者:Daniel A. Black、Ramsay E. Beveridge、Bruce A. Arndtsen
DOI:10.1021/jo702293h
日期:2008.3.1
[GRAPHICS]A copper (I)-catalyzed, asymmetric method to directly functionalize pyridines, quinolines, and isoquinolines with terminal alkynes is described. The reaction is readily diversified to incorporate a range of pyridine-based heterocycles and electron-rich or electron-poor alkynes. This provides a straightforward alternative to nucleophilic or cross-coupling approaches to directly derivatize these heterocycles, and yields useful propargylcarbamates.
MONOPHOSPHINE COMPOUNDS, TRANSITION METAL COMPLEXES THEREOF AND PRODUCTION OF OPTICALLY ACTIVE COMPOUNDS USING THE COMPLEXES AS ASYMMETRIC CATALYSTS
申请人:Sumitomo Chemical Company, Limited
公开号:EP1773853A1
公开(公告)日:2007-04-18
US7790882B2
申请人:——
公开号:US7790882B2
公开(公告)日:2010-09-07
[EN] MONOPHOSPHINE COMPOUNDS, TRANSITION METAL COMPLEXES THEREOF AND PRODUCTION OF OPTICALLY ACTIVE COMPOUNDS USING THE COMPLEXES AS ASYMMETRIC CATALYSTS<br/>[FR] COMPOSES DE MONOPHOSPHINE, COMPLEXES DE METAUX DE TRANSITION ASSOCIES ET PRODUCTION DE COMPOSES ACTIFS SUR LE PLAN OPTIQUE AU MOYEN DESDITS COMPLEXES EN TANT QUE CATALYSEURS ASYMETRIQUES
申请人:SUMITOMO CHEMICAL CO
公开号:WO2005121157A1
公开(公告)日:2005-12-22
The present invention provides a compound represented by the formula (I): wherein ring A is void or a benzene ring optionally having substituent(s), R1 and R2 are each independently a phenyl group optionally having substituent(s), a cyclohexyl group and the like, R3 and R4 are each independently a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group and the like, and X is a residue represented by -OR5 or -NHR6 wherein R5 and R6 are a lower alkyl group optionally having substituent(s), an aralkyl group optionally having substituent(s) and the like, a asymmetric transition metal complex containing the compound as a ligand and a production method of optically active compound using the complex as an asymmetric catalyst.
Monophosphine compound, transition metal complex thereof and production method of optically active compound using the complex as asymmetric catalyst
申请人:Carreira M. Erick
公开号:US20050277772A1
公开(公告)日:2005-12-15
The present invention provides a compound represented by the formula (I):
wherein ring A is void or a benzene ring optionally having substituent(s), R
1
and R
2
are each independently a phenyl group optionally having substituent(s), a cyclohexyl group and the like, R
3
and R
4
are each independently a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group and the like, and X is a residue represented by —OR
5
or —NHR
6
wherein R
5
and R
6
are a lower alkyl group optionally having substituent(s), an aralkyl group optionally having substituent(s) and the like, a asymmetric transition metal complex containing the compound as a ligand and a production method of optically active compound using the complex as an asymmetric catalyst.