Pentacyclo[11.8.0.02,11.03,8.015,20]henicosa-1(21),2(11),3,5,7,9,13,15,17,19-decaene

Base Information

• Chemical Name: Pentacyclo[11.8.0.02,11.03,8.015,20]henicosa-1(21),2(11),3,5,7,9,13,15,17,19-decaene
• CAS No.: 239-60-1
• Molecular Formula: C21H14
• Molecular Weight: 266.342
• Hs Code.: 2902909090
• DSSTox Substance ID: DTXSID60178597
• Mol file: 239-60-1.mol

Synonyms:BRN 2560024;DTXSID60178597;LS-61037

Chemical Property of Pentacyclo[11.8.0.02,11.03,8.015,20]henicosa-1(21),2(11),3,5,7,9,13,15,17,19-decaene

Chemical Property:

• Vapor Pressure: 2.93E-09mmHg at 25°C
• Melting Point: 234°C
• Refractive Index: 1.7640 (estimate)
• Boiling Point: 489.7°Cat760mmHg
• Flash Point: 242.9°C
• PSA: 0.00000
• Density: 1.229g/cm³
• LogP: 5.56420
• XLogP3: 7
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 266.109550447
• Heavy Atom Count: 21
• Complexity: 386

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1C2=C(C3=CC=CC=C3C=C2)C4=CC5=CC=CC=C5C=C41

Technology Process of Pentacyclo[11.8.0.02,11.03,8.015,20]henicosa-1(21),2(11),3,5,7,9,13,15,17,19-decaene

There total 14 articles about Pentacyclo[11.8.0.02,11.03,8.015,20]henicosa-1(21),2(11),3,5,7,9,13,15,17,19-decaene 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: 85.0%

bis(1-naphthyl)methanol (62784-66-1) → 13H-dibenzo[a,i]fluorene (239-60-1)

Guidance literature:

With phosphoric acid; In water; at 180 ℃; for 3h;

DOI:10.1016/j.polymer.2020.122947

Reference yield: 75.0%

13H-Dibenzo[a,i]fluorene-13-carboxylic acid ethyl ester (106031-70-3) → 13H-dibenzo[a,i]fluorene (239-60-1)

Guidance literature:

With potassium hydroxide; In methanol; for 96h; Heating;

DOI:10.1055/s-1986-31637

Reference yield: 49.0%

bis(1-naphthyl)methanol (62784-66-1) → 1,1'-dinaphthylmethane (607-50-1) + 13H-dibenzo[a,i]fluorene (239-60-1) + 13,13'-bis(dibenzofluorenyl) (120908-27-2) + 13H-13-dibenzofluorene (216393-39-4)

Guidance literature:

With phosphoric acid; for 1h; Heating; other reagent: trifluoromethanesulfonic acid;

DOI:10.1021/jo981397g

upstream raw materials:

bis(1-naphthyl)methanol

1-(naphthalene-1-ylmethyl)-3,4-dihydronaphthalene-2(1H)-one

13H-Dibenzo[a,i]fluorene-13-carboxylic acid ethyl ester

13H-dibenzo[ai]fluoren-13-one

Downstream raw materials:

13H-dibenzo[a,h]fluoren-13-one

12H-dibenzo[b,h]fluoren-12-one

11-phenyl-11H-naphtho[a]fluorene

1,1'-dinaphthylmethane

Refernces

• 1、 Ghase, Vaijayanti D.,Hasija, Deepika C.,Patil, Vishwanath R.,Rananaware, Meenakshi M.. "Efficient blue light-emitting polydibenzofluorenes through the integration of an anthracene unit". . . Retrieved 2020.
• 2、 Lin, Fei,Wang, Xingbao,Pan, Yupeng,Wang, Meiyan,Liu, Bo,Luo, Yi,Cui, Dongmei. "Nature of the Entire Range of Rare Earth Metal-Based Cationic Catalysts for Highly Active and Syndioselective Styrene Polymerization". . p. 176 - 185. Retrieved 2016.