Benzo(a)pyrene radical cation

Base Information

• Chemical Name: Benzo(a)pyrene radical cation
• CAS No.: 42299-33-2
• Molecular Formula: C₂₀H₁₂
• Molecular Weight: 252.315
• Mol file: 42299-33-2.mol

Synonyms:3,4-Benzpyreneradical ion(1+); Benzo[3,4]pyrene radical ion(1+); Benzo[a]pyrene cation;Benzo[a]pyrene radical cation

Chemical Property of Benzo(a)pyrene radical cation

Chemical Property:

• Boiling Point: 495°Cat760mmHg
• Flash Point: 228.6°C
• Density: 1.286g/cm³

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Benzo(a)pyrene radical cation

There total 92 articles about Benzo(a)pyrene radical cation 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%

2-[2,6-di(2-methoxyethenyl)phenyl]naphthalene → benzopyrene (50-32-8,42299-33-2,34505-58-3)

Guidance literature:

With bismuth(lll) trifluoromethanesulfonate; In 1,2-dichloro-ethane; at 25 ℃; for 2h; Inert atmosphere; Schlenk technique;

DOI:10.1021/ol5018273

Reference yield: 65.0%

5-ethynylchrysene (1393794-15-4) → benzopyrene (50-32-8,42299-33-2,34505-58-3)

Guidance literature:

With platinum(II) chloride; In toluene; at 80 ℃;

DOI:10.1016/j.tet.2012.05.130

Reference yield: 60.0%

9,10-dihydro benzopyrene (17573-15-8) → benzopyrene (50-32-8,42299-33-2,34505-58-3)

Guidance literature:

palladium on activated charcoal; at 300 - 305 ℃;

DOI:10.1021/jo00171a040

upstream raw materials:

1,6,10b,11,12,12a-hexahydro-2H-benzo[def]chrysen-3-one

7-hydroxy-7,8,9,10-tetrahydrobenzopyrene

2'-ethyl-3,4,5,6,7,8-hexahydro-1H-spiro[anthracene-2,1'-cyclopentane]

5-hydroxy-3-oxo-2,3,11,12-tetrahydro-1H-benzo[def]chrysene-12a-carboxylic acid methyl ester

Downstream raw materials:

benzopyren-6-yl acetate

4,5-dihydrobenzopyrene

7,8,9,10-tetrahydrobenzo[a]pyrene

benzpyrene-6-carbaldehyde

Refernces

• 1、 Murai, Masahito,Hosokawa, Naoki,Roy, David,Takai, Kazuhiko. "Bismuth-catalyzed synthesis of polycyclic aromatic hydrocarbons (PAHs) with a phenanthrene backbone via cyclization and aromatization of 2-(2-arylphenyl)vinyl ethers". supporting information. p. 4134 - 4137. Retrieved 2014/09/30.
• 2、 Takasuga, Takumi,Umetsu, Norihito,Makino, Tetsuya,Tsubota, Katsuya,Sajwan, Kenneth S.,Kumar, Kurunthachalam Senthil. "Role of temperature and hydrochloric acid on the formation of chlorinated hydrocarbons and polycyclic aromatic hydrocarbons during combustion of paraffin powder, polymers, and newspaper". . p. 8 - 21. Retrieved 2008/02/09.