900770
Berkessel ligand
98%
别名:
2′,3′,4′,5′,6′-Pentafluoro-3-({(E)-[(1R,2S)-2-{[(2′,3′,4′,5′,6′-pentafluoro-2-hydroxy[1,1′-biphenyl]-3-yl)methyl]amino}cyclohexyl]imino}methyl)[1,1′-biphenyl]-2-ol, cis-1,2-Diaminocyclohexane salalen ligand, cis-DACH salalen ligand, Bis(pentafluorophenyl) salalen ligand
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About This Item
应用
Developed by Albrecht Berkessel′s lab, this is the first catalyst system that allows catalytic enantioselective epoxidation of non-conjugated terminal double bonds with hydrogen peroxide as the oxidant. Eradicating multiple steps and kinetic resolution, this chiral ligand, when used with Ti(OiPr)4 provides a one-step route to enantiopure epoxides that are important intermediates for synthesis of bioactive compounds. Catalyst is recyclable under some conditions. For best results, pentafluorobenzoic acid (P5360) or tetra-n-butylammonium hydrogensulfate (155837) is recommended as a co-catalyst.
WGK
WGK 3
法规信息
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