5-BROMO-1,2,3,4,5-PENTAPHENYL-1,3-CYCLOPENTADIENE

Base Information

• Chemical Name: 5-BROMO-1,2,3,4,5-PENTAPHENYL-1,3-CYCLOPENTADIENE
• CAS No.: 56849-84-4
• Molecular Formula: C35H25Br
• Molecular Weight: 525.487
• Mol file: 56849-84-4.mol

Synonyms:5-BROMO-1,2,3,4,5-PENTAPHENYL-1,3-CYCLOPENTADIENE;5-BROMO-1,2,3,4,5-PENTAPHENYL-1,3-CYCLOP ENTADIENE, TECH., 90%

Chemical Property of 5-BROMO-1,2,3,4,5-PENTAPHENYL-1,3-CYCLOPENTADIENE

Chemical Property:

• Vapor Pressure: 7.19E-14mmHg at 25°C
• Melting Point: 188-190 °C(lit.)
• Refractive Index: 1.683
• Boiling Point: 603.4°Cat760mmHg
• Flash Point: 279°C
• PSA: 0.00000
• Density: 1.31g/cm³
• LogP: 9.51240

Purity/Quality:

98%,99%, ^*data from raw suppliers

5-Bromo-1,2,3,4,5-pentaphenyl-1,3-cyclopentadiene 90% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 5-Bromo-1,2,3,4,5-pentaphenyl-1,3-cyclopentadiene was used in preparation of ferrocenes.

Technology Process of 5-BROMO-1,2,3,4,5-PENTAPHENYL-1,3-CYCLOPENTADIENE

There total 5 articles about 5-BROMO-1,2,3,4,5-PENTAPHENYL-1,3-CYCLOPENTADIENE 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: 90.0%

1,2,3,4,5-pentaphenylcyclopenta-2,4-dien-1-ol (2137-74-8) → 1-bromo-1,2,3,4,5-pentaphenylcyclopenta-2,4-diene (56849-84-4)

Guidance literature:

With hydrogen bromide; acetic acid; Reflux; Inert atmosphere;

DOI:10.1002/chem.200900712

Reference yield:

2,3,4,5-tetraphenylcyclopenta-2,4-dienone (479-33-4) → 1-bromo-1,2,3,4,5-pentaphenylcyclopenta-2,4-diene (56849-84-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 83 percent / aq. HCl / diethyl ether / 0.5 h / Heating

2: 81 percent / 48percent HBr / acetic acid; H₂O / 0.17 h / Heating

With hydrogenchloride; hydrogen bromide; In diethyl ether; water; acetic acid;

Reference yield:

phenylmagnesium bromide → 1-bromo-1,2,3,4,5-pentaphenylcyclopenta-2,4-diene (56849-84-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 83 percent / water / H₂O

2: 80 percent / 48percent HBr

With water; hydrogen bromide; In water;

DOI:10.1021/ja00327a030

upstream raw materials:

1,2,3,4,5-pentaphenylcyclopenta-2,4-dien-1-ol

phenyllithium

2,3,4,5-tetraphenylcyclopenta-2,4-dienone

Downstream raw materials:

1,2,3,4,5-pentaphenylcyclopentadiene

1,2,3,4,5-pentaphenylcyclopenta-2,4-dien-1-ol

1,2,3,4,5-pentaphenyl-2,4-cyclopentadienyl radical

1-bromo-1,2,3,4,5-penta(4-bromophenyl)cyclopentadiene