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80655-81-8

80655-81-8 Structure

80655-81-8 Structure
IdentificationMore
[Name]

(S)-(-)-6,6'-Dibromo-1,1'-bi-2-naphthol
[CAS]

80655-81-8
[Synonyms]

(+/-)-6,6'-DIBROMO-1,1'-BI-2-NAPHTHOL
6,6'-DIBROMO-1,1'-BI-2-NAPHTHOL
(+/-)-6,6'-DIBROMO-2,2'-DIHYDROXY-1,1'-BINAPHTHYL
6'-DIBROMO-1,1'-BI-2-NAPHTHOL
AURORA KA-7214
(R)-(-)-6,6'-DIBROMO-1,1'-BI-2-NAPHTHOL
(R)-(+)-6,6'-DIBROMO-1,1'-BI-2-NAPHTHOL
(R)-(-)-6,6'-DIBROMO-1,1'-BI-NAPHTHOL
(R)-(-)-6,6'-DIBROMO 1,1'-BL-2-NAPHTHOL
(R)-(-)-6,6'-DIBROMO-2,2'-DIHYDROXY-1,1'-BINAPHTHYL
(R)-(-)-6'-DIBROMO-1,1'-BI-2-NAPHTHOL
RACEMIC-6,6'-DIBROMO-1,1'-BI-2-NAPHTHOL
(S)-(+)-6,6'-DIBROM-2,2'-DIHYDROXY-1,1'-BINAPHTHYL
(S)-(-)-6,6'-DIBROMO-1,1'-BI-2-NAPHTHOL
(S)-(+)-6,6'-DIBROMO-1,1'-BI-2-NAPHTHOL
(S)-6,6'-DIBROMO-1,1'-BI-2-NAPHTHOL
(S)-(+)-6,6'-DIBROMO-1,1'-BI-NAPHTHOL
(S)-6,6'-DIBROMO-1,1'-BINAPHTHYL-2,2'-DIOL
(S)-(+)-6,6'-DIBROMO-2,2'-DIHYDROXY-1,1'-BINAPHTHYL
(S)-(+)-6'-DIBROMO-1,1'-BI-2-NAPHTHOL
[EINECS(EC#)]

632-860-3
[Molecular Formula]

C20H12Br2O2
[MDL Number]

MFCD00798290
[Molecular Weight]

444.12
[MOL File]

80655-81-8.mol
Chemical PropertiesBack Directory
[Appearance]

white to light yellow crystal powde
[Melting point ]

195-199 °C(lit.)
[Boiling point ]

546.2±45.0 °C(Predicted)
[density ]

1.5428 (rough estimate)
[refractive index ]

1.4947 (estimate)
[storage temp. ]

Inert atmosphere,Room Temperature
[solubility ]

slightly sol. in Tetrahydrofuran
[form ]

powder to crystal
[pka]

7.78±0.50(Predicted)
[color ]

White to Light yellow to Light orange
[optical activity]

[α]20/D +49°, c = 1.8 in THF
[CAS DataBase Reference]

80655-81-8(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xi,Xn
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
R22:Harmful if swallowed.
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection .
[WGK Germany ]

3
[HS Code ]

29081990
Hazard InformationBack Directory
[Chemical Properties]

white to light yellow crystal powde
[Uses]

(S)-(+)-6,6′-Dibromo-1,1′-bi-2-naphthol may be used in the synthesis of (2R,3S)-3-phenylisoserine hydrochloride. It may also be used in the synthesis of BINOL-derived chiral ligands with aryl substituents in the 6,6-positions. [BINOL=1,1′-bi-2-naphthol]
[General Description]

(S)-(+)-6,6′-Dibromo-1,1′-bi-2-naphthol is an aromatic chiral Bronsted acid.
Questions And AnswerBack Directory
[Reactions]

  • Ligand used to prepare a chiral zirconium catalyst useful in asymmetric Strecker reactions.
  • Ligand used in the zinc-catalyzed enantioselective Hetero Diels-Alder reaction.
  • Ligand used in asymmetric Friedel-Crafts reactions of pyrroles with glyoxylates. 
Reactions of 80655-81-8
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

80655-81-8(sigmaaldrich)
[TCI AMERICA]

(S)-(+)-6,6'-Dibromo-1,1'-bi-2-naphthol  (contains 5% Dichloromethane at maximum),>95.0%(GC)(80655-81-8)
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