9,9-DIMETHYL-9H-FLUORENE-2,7-DIOL

Base Information

• Chemical Name: 9,9-DIMETHYL-9H-FLUORENE-2,7-DIOL
• CAS No.: 221010-68-0
• Molecular Formula: C₁₅H₁₄O₂
• Molecular Weight: 226.275
• Hs Code.: 2906299090
• Mol file: 221010-68-0.mol

Synonyms:9,9-Dimethyl-9H-fluorene-2,7-diol;

Chemical Property of 9,9-DIMETHYL-9H-FLUORENE-2,7-DIOL

Chemical Property:

• Vapor Pressure: 3.19E-08mmHg at 25°C
• Refractive Index: 1.648
• Boiling Point: 436.4°Cat760mmHg
• Flash Point: 214.9°C
• PSA: 40.46000
• Density: 1.232g/cm³
• LogP: 3.40410
• Storage Temp.: Inert atmosphere,Room Temperature

Purity/Quality:

98% ^*data from raw suppliers

9,9-Dimethyl-9H-fluorene-2,7-diol >95% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 9,9-DIMETHYL-9H-FLUORENE-2,7-DIOL

There total 3 articles about 9,9-DIMETHYL-9H-FLUORENE-2,7-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: 81.0%

9,9-dimethyl-9H-fluorene-2,7-diyl diacetate → 9,9-dimethyl-9H-fluorene-2,7-diol (221010-68-0)

Guidance literature:

With water; sodium hydroxide; In ethanol; at 20 ℃; for 0.166667h;

DOI:10.1016/j.tetlet.2020.151917

Reference yield:

9,9-dimethyl-9H-fluorene (4569-45-3) → 9,9-dimethyl-9H-fluorene-2,7-diol (221010-68-0)

Guidance literature:

Multi-step reaction with 3 steps

1.1: aluminum (III) chloride / 1,2-dichloro-ethane

1.2: 4 h / Reflux

2.1: 3-chloro-benzenecarboperoxoic acid; trifluoroacetic acid / chloroform / 20 °C

3.1: sodium hydroxide; water / ethanol / 0.17 h / 20 °C

With aluminum (III) chloride; water; 3-chloro-benzenecarboperoxoic acid; trifluoroacetic acid; sodium hydroxide; In ethanol; chloroform; 1,2-dichloro-ethane; 2.1: |Baeyer-Villiger Ketone Oxidation;

DOI:10.1016/j.tetlet.2020.151917

Reference yield:

1,1'-(9,9-dimethyl-9H-fluorene-2,7-diyl)bis(ethan-1-one) → 9,9-dimethyl-9H-fluorene-2,7-diol (221010-68-0)

Guidance literature:

Multi-step reaction with 2 steps

1: 3-chloro-benzenecarboperoxoic acid; trifluoroacetic acid / chloroform / 20 °C

2: sodium hydroxide; water / ethanol / 0.17 h / 20 °C

With water; 3-chloro-benzenecarboperoxoic acid; trifluoroacetic acid; sodium hydroxide; In ethanol; chloroform; 1: |Baeyer-Villiger Ketone Oxidation;

DOI:10.1016/j.tetlet.2020.151917

upstream raw materials:

9,9-dimethyl-9H-fluorene

Refernces