Highly enantioselective insertion of carbenoids into N-H bonds catalyzed by copper complexes of chiral spiro bisoxazolines
A highly efficient copper-catalyzed asymmetric insertion of α-diazoesters into N-H bonds has been realized by using chiral spiro bisoxazoline ligands, affording α-amino acid derivatives in high yields with excellent enantioselectivities. Copyright
Copper-catalyzed enantioselective allylic oxidation of acyclic olefins
A copper-catalyzed asymmetric allylic oxidation of acyclic olefins has been developed. By using the complexes of copper and chiral spiro bisoxazoline ligands as catalysts, the oxidation of various acyclic olefins was accomplished with excellent regioselec
Zhang, Bo,Zhu, Shou-Fei,Zhou, Qi-Lin
supporting information
p. 2665 - 2668
(2013/06/26)
Preparation and application of bisoxazoline ligands with a chiral spirobiindane skeleton for asymmetric cyclopropanation and allylic oxidation
A new type of bisoxazoline ligand 4 (abbreviated as SpiroBOX) containing a chiral spirobiindane scaffold were easily prepared in high yields from enantiomerically pure 1,1′-spirobiindane-7,7′-diol (SPINOL) with 1,1′-spirobiindane-7,7′-dicarboxylic acid as
Liu, Bin,Zhu, Shou-Fei,Wang, Li-Xin,Zhou, Qi-Lin
p. 634 - 641
(2007/10/03)
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