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Highly Enantioselective Arylation of N,N-Dimethylsulfamoyl-Protected Aldimines Using Simple Sulfur-Olefin Ligands: Access to Solifenacin and (S)-(+)-Cryptostyline II

Highly Enantioselective Arylation of N,N-Dimethylsulfamoyl-Protected Aldimines Using Simple Sulfur-Olefin Ligands: Access to Solifenacin and (S)-(+)-Cryptostyline II

Tao Jiang, Wen-Wen Chen, Ming-Hua Xu

Org Lett. 2017 Apr 21;19(8):2138-2141.

PMID: 28388063

Abstract:

With the use of a simple sulfur-olefin ligand, a highly enantioselective rhodium-catalyzed addition of arylboroxines to N,N-dimethylsulfamoyl-protected aldimines has been achieved, allowing access to a broad range of chiral diarylmethylamines in high yields (up to 98%) with uniformly excellent enantioselectivities (up to 99% ee). This catalyst system is also applicable to the arylation of N-tosyl arylimines. By utilizing this method, some biologically active molecules possessing a chiral 1-aryl-1,2,3,4-tetrahydroisoquinoline core such as Solifenacin and (S)-(+)-Cryptostyline II are facilely constructed.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP139332642	4-(N,N-Dimethylsulfamoyl)-7-piperazino-benzofurazan		139332-64-2	Price

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