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Dirhodium(II) Complexes of 2‐(Sulfonylimino)pyrrolidine: Synthesis and Application in Catalytic Benzylic Oxidation
Author(s) -
Wusiman Abudureheman,
Tusun Xiarepati,
Lu ChongDao
Publication year - 2012
Publication title -
european journal of organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 1434-193X
DOI - 10.1002/ejoc.201200292
Subject(s) - chemistry , nitrobenzene , pyrrolidine , catalysis , ligand (biochemistry) , medicinal chemistry , aqueous solution , aqueous medium , stereochemistry , organic chemistry , receptor , biochemistry
A new class of dirhodium(II) tetraamidinates derived from 2‐(sulfonylimino)pyrrolidines has been prepared through ligand substitution by using dirhodium(II) acetate, in which (3,1) geometric isomers are formed predominantly. Among these complexes, (3,1)‐Rh 2 (Msip) 4 , exhibits good catalytic performance in benzylic oxidation. In the presence of (3,1)‐Rh 2 (Msip) 4 a variety of benzylic derivatives, including strongly electron‐deficient arylalkanes such as 1‐ethyl‐4‐nitrobenzene, are readily oxidized in water by the inexpensive oxidant T‐HYDRO ® (70 wt.‐% aqueous tert ‐butyl hydroperoxide).