One pot sequential reactions and novel products produced thereby
申请人:Valsan Mecheril Nandakumar
公开号:US20060224017A1
公开(公告)日:2006-10-05
A method for producing sequenced reaction products comprising performing, in one pot, a first reaction at a lower temperature followed by a second reaction at a higher temperature in the presence of a catalyst system comprising a proazahosphatrane in combination with a palladium compound is provided. In one embodiment, the first reaction is a double amination reaction and the second reaction is an arylation. Use of one pot and a single catalyst system for each set of sequential reactions is efficient and economical. Novel N,N-diarylaminostyrenes and N,N-diarylaminostilbenes are produced according to the methods described herein.
One-Pot Sequential N and C Arylations: An Efficient Methodology for the Synthesis oftrans 4-N,N-Diaryl Aminostilbenes
作者:Mecheril V. Nandakumar、John G. Verkade
DOI:10.1002/anie.200462938
日期:2005.5.13
US7276627B2
申请人:——
公开号:US7276627B2
公开(公告)日:2007-10-02
Pd2dba3/P(i-BuNCH2CH2)3N: a highly efficient catalyst for the one-pot synthesis of trans-4-N,N-diarylaminostilbenes and N,N-diarylaminostyrenes
作者:Mecheril V. Nandakumar、John G. Verkade
DOI:10.1016/j.tet.2005.06.117
日期:2005.10
Pd2dba3/P(i-BuNCH2CH2)3N catalyzed one-potsynthesis of unsymmetrically substituted trans-4-N,N-diarylaminostilbenes and both symmetrically and unsymmetrically substituted N,N-diarylaminostyrene derivatives is reported. The procedure involves two or more palladium catalyzed sequentialcouplingreactions (an amination and an inter-molecular Heckreaction) in one-pot using the same catalyst system with