(+)-1,2-Bis((2S,5S)-2,5-diethylphospholano)benzene
CAS: 136779-28-7
Ref. 3D-FB168279
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Product Information
- (S,S)-Ethyl-DUPHOS
- (+)-1,2-Bis((2S,5S)-2,5-diethylphospholano)benzene,98+%(S,S)-Et-DUPHOS
- (+)-1,2-Bis[(2S,5S)-2,5-diethylphospholano]benzene, Kanata purity
- (+)-Duphos
- (2S,2'S,5S,5'S)-2,2',5,5'-Tetraethyl-1,1'-(1,2-Phenylene)Diphospholane
- (2S,2'S,5S,5'S)-2,2',5,5'-Tetraethyl-1,1'-(O-Phenylene)Diphospholane
- (2S,2′S,5S,5′S)-1,1′-(1,2-Phenylene)bis[2,5-diethylphospholane]
- (2S,5S,2'S,5'S)-1,1'-benzene-1,2-diylbis(2,5-diethylphospholane)
- (S,S)-Et-Duphos
- (S,S)-Ethyl-DUPHOS, (2S,2μS,5S,5μS)-2,2μ,5,5μ-Tetraethyl-1,1μ-(o-phenylene)diphospholane
- See more synonyms
- (S,S)-Ethyl-Duphos
- Phospholane, 1,1′-(1,2-phenylene)bis[2,5-diethyl-, (2S,2′S,5S,5′S)-
- Phospholane, 1,1′-(1,2-phenylene)bis[2,5-diethyl-, [2S-[1(2′R*,5′R*),2α,5β]]-
1,2-Bis((2S,5S)-2,5-diethylphospholano)benzene is an optically active organic compound. It is used as a chiral ligand in asymmetric catalysis. The ligand is prepared by the reaction of 2,5-diethylphosphonobenzene with sodium periodate and chloride under solvothermal conditions. This compound is soluble in ethylene and hexane and has a boiling point of 53.8°C at atmospheric pressure. It can be crystallized from chloroform solution or from methanol solution with addition of hexane. 1,2-Bis((2S,5S)-2,5-diethylphospholano)benzene has been shown to be effective in the catalytic asymmetric synthesis of cyclic compounds such as 1,4-dihydropyridines (1).
Chemical properties
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