4,4'-Dibromo-1,1'-spirobiindane-7,7'-diol

Base Information

• Chemical Name: 4,4'-Dibromo-1,1'-spirobiindane-7,7'-diol
• CAS No.: 636601-27-9
• Molecular Formula: C₁₇H₁₄Br₂O₂
• Molecular Weight: 410.105
• Hs Code.: 2906299090
• Mol file: 636601-27-9.mol

Synonyms:(+)-(1S)-4,4'-Dibromo-2,2',3,3'-tetrahydro-1,1'-spirobi[1H-indene]-7,7'-diol

Chemical Property of 4,4'-Dibromo-1,1'-spirobiindane-7,7'-diol

Chemical Property:

• Melting Point: 161 °C
• Boiling Point: 513.6oC at 760 mmHg
• Flash Point: 264.4oC
• PSA: 40.46000
• Density: 1.91g/cm3
• LogP: 4.80130

Purity/Quality:

97% ^*data from raw suppliers

(S)-4,4'-Dibromo-1,1'-spirobiindane-7,7'-diol >98.0%(GC) ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4,4'-Dibromo-1,1'-spirobiindane-7,7'-diol

There total 10 articles about 4,4'-Dibromo-1,1'-spirobiindane-7,7'-diol which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 98.0%

(1S)-(-)-4,4'-dibromo-1,1'-spirobiindane-7,7'-diyl bismenthyl carbonate → (S)-4,4'-dibromo-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-7,7'-diol (636601-27-9,681481-91-4,681481-94-7)

Guidance literature:

With potassium hydroxide; In ethanol; water; for 1h; Heating;

DOI:10.1016/j.tetasy.2003.12.041

Reference yield: 95.0%

4,4'-dibromo-7,7'-dimethoxy-1,1'-spirobiindane (223137-76-6,636601-26-8) → 4,4'-dibromo-2,2',3,3'-tetrahydro-1,1'-spirobi[1H-indene]-7,7'-diol (636601-27-9,681481-91-4,681481-94-7)

Guidance literature:

With boron tribromide; In dichloromethane; at -78 - 20 ℃;

DOI:10.1016/j.tetasy.2003.12.041

Reference yield: 92.0%

(S)-4,4'-dibromo-7,7'-dimethoxy-1,1'-spirobiindane (223137-76-6,636601-26-8) → (S)-4,4'-dibromo-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-7,7'-diol (636601-27-9,681481-91-4,681481-94-7)

Guidance literature:

With boron tribromide; In dichloromethane; at -78 - 20 ℃; for 12h;

DOI:10.1016/j.tetasy.2003.08.017

upstream raw materials:

(S)-4,4'-dibromo-7,7'-dimethoxy-1,1'-spirobiindane

4,4'-dibromo-7,7'-dimethoxy-1,1'-spirobiindane

4,4'-dibromo-2,2',3,3'-tetrahydro-1,1'-spirobi[1H-indene]-7,7'-diol

(S)-7,7'-dimethoxy-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]

Downstream raw materials:

(S)-4,4'-dimethoxy-7,7'-dihydroxy-1,1'-spirobiindane

2,2′,3,3′-tetrahydro-1,1′-spirobi[indene]-7,7′-diol

(S)-4,4'-dibromo-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-7,7'-diol

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