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Chiral Binaphthyl Ligands

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Catalysts modified by chiral binaphthyl derivatives are excellent chiral C2-symmetric inducers. They can catalyze the asymmetric epoxidation reaction of electron-deficient olefins with high catalytic activity and excellent enantio selectivity. The substrate involves α,β-unsaturated ketones, α,β-unsaturated carboxylic acid amides, α,β-unsaturated esters, etc [1]. These class catalysts are beneficial in improving the selectivity of the optically active product. The symmetry axis can be rotated appropriately to meet a perspective between the chemical requirements in the different substrate with the bidentate ligand, which is particularly favored by asymmetric synthesis chemists.

J&K provides a variety of chiral binaphthyl ligands, including 3.3'- or 6.6'- halogen-substituted, 2.2'- di-substituted, 3.3'-di-substituted group, etc.

Ligand used to prepare a chiral zirconium catalyst in an asymmetric Strecker synthesis.

Ligand used in the zinc catalyzed enantioselective Hetero Diels-Alder reaction.

References [1] J. Am. Chem. Soc., 2000, 122, 762. [2] Org. Lett., 2002, 4, 4349. [3] Org. Lett., 2003, 5, 1091.

structure Product no. description cas pricing
465317 (R)-(+)-1,1'-Bi-2,2'-naphthol, 99% 18531-94-7 Pricing
465318 (S)-(-)-1,1'-Bi-2,2'-naphthol, 99% 18531-99-2 Pricing
324259 (R)-(-)-1,1'-Bi-2,2'-naphthol bis(trifluoromethanesulfonate), 97% 126613-06-7 Pricing
324260 (S)-(+)-1,1'-Bi-2,2'-naphthol bis(trifluoromethanesulfonate), 97% 128544-05-8 Pricing
434864 (R)-(+)-1,1'-Binaphthyl-2,2'-diamine, 99% 18741-85-0 Pricing
434863 (S)-(-)-1,1'-Binaphthyl-2,2'-diamine, 99%, ee: 99% 18531-95-8 Pricing
789130 (R)-(+)-3,3'-Bis(3,5-bis(trifluoromethyl)phenyl)-1,1'-bi-2,2'-naphthol, 95% 756491-54-0 Pricing
511041 (R)-(+)-3,3'-Dibromo-1,1'-bi-2,2'-naphthol, 97% 111795-43-8 Pricing
511039 (S)-(-)-3,3'-Dibromo-1,1'-bi-2,2'-naphthol, 97% 119707-74-3 Pricing
489901 (R)-(-)-6,6'-Dibromo-1,1'-bi-2,2'-naphthol, 98% 65283-60-5 Pricing
489899 (S)-(+)-6,6'-Dibromo-1,1'-bi-2,2'-naphthol, 98% 80655-81-8 Pricing
533595 (S)-3,3'-Dibromo-2,2'-dimethoxy-1,1'-binaphthyl, 98% 75714-60-2 Pricing
589527 (R)-(+)-3,3'-Dibromo-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol, 97%, ee: 99% 65355-08-0 Pricing
980224 (R)-(+)-5,5',6,6',7,7',8,8'-Octahydro-1,1'-bi-2,2'-naphthol, 99%, ee: 99% 65355-14-8 Pricing
984507 (S)-(-)-5,5',6,6',7,7',8,8'-Octahydro-1,1'-bi-2,2'-naphthol, 99%, ee: 99% 65355-00-2 Pricing
449016 (R)-(+)-2,2'-Bis(methoxymethoxy)-1,1'-binaphthalene, 97% 173831-50-0 Pricing
903287 (R)-(+)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl, 98% 76189-55-4 Pricing
137724 (S)-(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl, 98% 76189-56-5 Pricing
1002616 (R)-1,1'-Binaphthyl-2,2'-bis(diphenylphosphinite), 98% 146744-05-0 Pricing
533594 (R)-3,3'-Dibromo-2,2'-dimethoxy-1,1'-binaphthyl, 98% 75714-59-9 Pricing