Catalysts Ligands Chiral Oxygen Ligands Chiral Diphenols

Chiral Diphenols

Chiral diphenols are ligands containing two phenolic hydroxyl groups on a chiral scaffold, which may exhibit axial, point, or planar chirality. These ligands are particularly useful in enantioselective Brønsted acid catalysis, where they serve as precursors to chiral phosphoric acids or borates. In metal-catalyzed systems, chiral diphenols act as bidentate ligands that form stable chelates with metals such as titanium, aluminum, or lanthanides, often used in enantioselective carbon–carbon bond-forming reactions, including asymmetric allylation and Michael addition. The phenolic oxygens provide both coordination ability and hydrogen bonding capability, enabling dual activation modes in catalysis. The structural rigidity and ability to accommodate substituents at strategic positions make chiral diphenols highly tunable in terms of steric and electronic influence. These ligands have also been employed in supramolecular chemistry, chiral recognition, and sensor development due to their well-defined geometry and hydrogen-bonding potential.
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(S)-3,3'-Bis(3,5-dimethylphenyl)-[1,1'-binaphthalene]-2,2'-diol

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A459203435327-17-698% 99%ee

(S)-3,3'-Bis(3,5-dimethylphenyl)-[1,1'-binaphthalene]-2,2'-diol

$90.00/100mg

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(S)-3,3'-Bis(4-(tert-butyl)phenyl)-[1,1'-binaphthalene]-2,2'-diol

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A442649309934-84-798% 99%ee

(S)-3,3'-Bis(4-(tert-butyl)phenyl)-[1,1'-binaphthalene]-2,2'-diol

$67.00/100mg

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(S)-5,5',6,6',7,7',8,8'-Octahydro-3,3'-bis(4-methoxyphenyl)-[1,1'-binaphthalene]-2,2'-diol

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A11882401121764-44-098%

(S)-5,5',6,6',7,7',8,8'-Octahydro-3,3'-bis(4-methoxyphenyl)-[1,1'-binaphthalene]-2,2'-diol

$35.00/100mg

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(R)-5,5',6,6',7,7',8,8'-Octahydro-3,3'-diphenyl-[1,1'-binaphthalene]-2,2'-diol

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A446836396134-73-998% 99%ee

(R)-5,5',6,6',7,7',8,8'-Octahydro-3,3'-diphenyl-[1,1'-binaphthalene]-2,2'-diol

$17.00/100mg

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(S)-[1,1-Binaphthalene]-2,2-diyl bis(trifluoromethanesulfonate)

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A901332128544-05-898%

(S)-[1,1-Binaphthalene]-2,2-diyl bis(trifluoromethanesulfonate)

$14.00/1g

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(S)-[2,3':1',1'':3'',2'''-Quaternaphthalene]-2',2''-diol

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A495442863659-89-698% 99%ee

(S)-[2,3':1',1'':3'',2'''-Quaternaphthalene]-2',2''-diol

$101.00/100mg

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(R)-3,3'-Dibromo-2,2'-dimethoxy-1,1'-binaphthalene

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A80115375714-59-998% HPLC(99%ee)

(R)-3,3'-Dibromo-2,2'-dimethoxy-1,1'-binaphthalene

$15.00/100mg

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(R)-3,3'-Bis(2,4,6-triisopropylphenyl)-[1,1'-binaphthalene]-2,2'-diol

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A829680247123-09-797%

(R)-3,3'-Bis(2,4,6-triisopropylphenyl)-[1,1'-binaphthalene]-2,2'-diol

$137.00/100mg

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(R)-3,3'-Dimesityl-5,5',6,6',7,7',8,8'-octahydro-[1,1'-binaphthalene]-2,2'-diol

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A1188924400027-51-298%

(R)-3,3'-Dimesityl-5,5',6,6',7,7',8,8'-octahydro-[1,1'-binaphthalene]-2,2'-diol

$57.00/100mg

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(S)-3,3'-Bis(4-nitrophenyl)-[1,1'-binaphthalene]-2,2'-diol

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A763148945852-58-498% 99%ee

(S)-3,3'-Bis(4-nitrophenyl)-[1,1'-binaphthalene]-2,2'-diol

$47.00/100mg

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(S)-3,3'-Bis3,5-bis(trifluoromethyl)phenyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol

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A4114081228600-99-498%

(S)-3,3'-Bis3,5-bis(trifluoromethyl)phenyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol

$19.00/100mg

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(S)-3,3'-Bis(2-naphthyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol

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A4596171121764-48-498% 99%ee

(S)-3,3'-Bis(2-naphthyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol

$22.00/100mg

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(1R,1''R)-3,3''-[oxybis(methylene)]bis-[1,1'-Binaphthalene]-2,2'-diol

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A507926265116-85-698%

(1R,1''R)-3,3''-[oxybis(methylene)]bis-[1,1'-Binaphthalene]-2,2'-diol

$128.00/50mg

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(S)-3,3'-Diphenyl-[1,1'-binaphthalene]-2,2'-diol

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A847689102490-05-195% 99%ee

(S)-3,3'-Diphenyl-[1,1'-binaphthalene]-2,2'-diol

$33.00/100mg

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(S)-3,3'-Bis(4-methoxyphenyl)-[1,1'-binaphthalene]-2,2'-diol

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A6413631199631-29-298%

(S)-3,3'-Bis(4-methoxyphenyl)-[1,1'-binaphthalene]-2,2'-diol

$17.00/100mg

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(R)-3,3'-Di([1,1'-biphenyl]-4-yl)-5,5',6,6',7,7',8,8'-octahydro-[1,1'-binaphthalene]-2,2'-diol

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A1188208878049-66-298%

(R)-3,3'-Di([1,1'-biphenyl]-4-yl)-5,5',6,6',7,7',8,8'-octahydro-[1,1'-binaphthalene]-2,2'-diol

$21.00/100mg

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(R)-2,2'-Dimethoxy-1,1'-binaphthalene

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A49043035294-28-198% 99%ee

(R)-2,2'-Dimethoxy-1,1'-binaphthalene

$20.00/250mg

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(R)-3,3'-Di-9-phenanthrenyl-1,1'-binaphthalene-2,2'-diol

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A3809401058734-56-798% 99%ee

(R)-3,3'-Di-9-phenanthrenyl-1,1'-binaphthalene-2,2'-diol

$120.00/100mg

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(R)-6,6'-Diiodo-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-7,7'-diol

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A12199521435948-36-997%

(R)-6,6'-Diiodo-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-7,7'-diol

$180.00/100mg

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(S)-6,6'-Diiodo-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-7,7'-diol

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A12199531258326-97-497%

(S)-6,6'-Diiodo-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-7,7'-diol

$198.00/100mg

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