Benzo[kl]xanthene

Base Information

• Chemical Name: Benzo[kl]xanthene
• CAS No.: 200-23-7
• Molecular Formula: C16H10 O
• Molecular Weight: 218.255
• Hs Code.: 2932999099
• European Community (EC) Number: 205-901-4
• NSC Number: 89258
• DSSTox Substance ID: DTXSID90173813
• Nikkaji Number: J193.675A
• Wikidata: Q83043842
• ChEMBL ID: CHEMBL1583502
• Mol file: 200-23-7.mol

Synonyms:Benzo[kl]xanthene;200-23-7;Benzo(k l)xanthene;MLS000736881;Benzo(kl)xanthene;EINECS 205-901-4;C16H10O;8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-1(16),2,4,6,9,11,13(17),14-octaene;NSC89258;CHEMBL1583502;SCHEMBL13309034;DTXSID90173813;HMS2787N06;NSC 89258;NSC-89258;NCGC00246949-01;NCI60_041984;SMR000444166

Chemical Property of Benzo[kl]xanthene

Chemical Property:

• Vapor Pressure: 4.28E-06mmHg at 25°C
• Melting Point: 109 °C
• Boiling Point: 395.1°Cat760mmHg
• Flash Point: 191.2°C
• PSA: 9.23000
• Density: 1.257g/cm³
• LogP: 4.61250
• XLogP3: 4.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 0
• Exact Mass: 218.073164938
• Heavy Atom Count: 17
• Complexity: 287

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C2C(=C1)C3=CC=CC4=C3C(=CC=C4)O2

Technology Process of Benzo[kl]xanthene

There total 21 articles about Benzo[kl]xanthene 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: 91.0%

α-naphthol (90-15-3) + 2,3-dibromobenzene (583-53-9) → benzo[b]naphtho[1,8-de]pyran (200-23-7)

Guidance literature:

With caesium carbonate; triphenylphosphine; palladium diacetate; In N,N-dimethyl-formamide; at 140 ℃; for 24h;

DOI:10.1246/bcsj.72.2345

Reference yield: 70.0%

1-fluoro-8-(2-fluorophenyl)naphthalene → benzo[b]naphtho[1,8-de]pyran (200-23-7)

Guidance literature:

With N,N,N,N,N,N-hexamethylphosphoric triamide; potassium tert-butylate; at 120 ℃; for 3h; Microwave irradiation;

DOI:10.1002/anie.202007427

Reference yield: 11.0%

2-(1-naphthoxy)benzenediazonium tetrafluoroborate → benzo[b]naphtho[2,1-d]furan (239-30-5) + benzo[b]naphtho[1,8-de]pyran (200-23-7)

Guidance literature:

With sulfuric acid; hydroquinone; In water;

DOI:10.1002/poc.3505

upstream raw materials:

1-(2′-hydroxyphenyl)naphthalene

α-naphthol

2,3-dibromobenzene

2-(naphthalen-1-yl)cyclohexanone

Refernces

• 1、 Feofanov, Mikhail,Akhmetov, Vladimir,Takayama, Ryo,Amsharov, Konstantin. "Catalyst-Free Synthesis of O-Heteroacenes by Ladderization of Fluorinated Oligophenylenes". supporting information. p. 5199 - 5203. Retrieved 2021/02/21.
• 2、 Lukeman, Matthew,Simon, Hilary,Wan, Peter,Wang, Yu-Hsuan. "Photocyclization and Photoaddition Reactions of Arylphenols via Intermediate Quinone Methides". . p. 11281 - 11293. Retrieved 2015/12/01.