2,2'-DIBROMO-1,1'-BINAPHTHYL Chemical Properties

Melting point:

178-183 °C

Boiling point:

178-183°C

Density 

1.614±0.06 g/cm3(Predicted)

Flash point:

178-183°C

storage temp. 

Sealed in dry,Room Temperature

solubility 

soluble in Toluene

form 

Powder

color 

white to off-white

Water Solubility 

Sparingly Soluble in water.

CAS DataBase Reference

74866-28-7(CAS DataBase Reference)

Safety Information

Hazard Codes 

Xn

Risk Statements 

36/37/38-22

Safety Statements 

26-36/37/39

WGK Germany 

3

HS Code 

2903.99.8001

2,2'-DIBROMO-1,1'-BINAPHTHYL Usage And Synthesis

Uses

The synthesis of this class of compounds relies on the lithiation of racemic 2,2'-dibromo-1,1'-binaphthyl with t-BuLi followed by addition of Ph 2 PCl.

Purification Methods

Purify the binaphthyl by chromatography through a silica gel column (70-230mesh) using hexane as eluent. It gives pale yellow crystals from EtOH with m 187.3-187.9o. The R-(+)-enantiomer [86688-08-6] crystallises from hexane with m 157-157.5o and [] D +32.9o (c 1, pyridine) [Brown et al. J Org Chem 50 4345 1985]. [Okamoto et al. J Am Chem Soc 103 69711981, Beilstein 5 III 2465.]

2,2'-DIBROMO-1,1'-BINAPHTHYL(74866-28-7)Related Product Information

• 2-Bromo-9,10-diphenylanthracene
• 2-Bromonaphthalene
• 1,1'-BINAPHTHYL
• R-(+)-2,2-DIBROMO-1,1'-BINAPHTHYL
• (S)-6,6'-DIBROMO-1,1'-BINAPHTHYL-2,2'-DIOL
• (S)-6,6'-DIBROMO-1,1'-BINAPHTHYL-2,2'-DIOL
• S-(-)-2,2-DIBROMO-1,1'-BINAPHTHYL
• (S)-6,6'-DIBROMO-1,1'-BINAPHTHYL-2,2'-DIOL