Dibenzo[a,e][8]annulene-5,11(6h,12h)-dione

Base Information

Chemical Name:Dibenzo[a,e][8]annulene-5,11(6h,12h)-dione
CAS No.:21083-39-6
Molecular Formula:C₁₆H₁₂O₂
Molecular Weight:236.27
Hs Code.:
NSC Number:119585
DSSTox Substance ID:DTXSID80297951
Nikkaji Number:J1.605.771A
Wikidata:Q82039477

Synonyms:dibenzo[a,e][8]annulene-5,11(6h,12h)-dione;21083-39-6;NSC119585;SCHEMBL8035811;DTXSID80297951;AKOS004907721;NSC-119585;tricyclo[10.4.0.04,9]hexadeca-1(16),4,6,8,12,14-hexaene-2,10-dione

Suppliers and Price of Dibenzo[a,e][8]annulene-5,11(6h,12h)-dione

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
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price

Total 1 raw suppliers

Chemical Property of Dibenzo[a,e][8]annulene-5,11(6h,12h)-dione

Chemical Property:

Vapor Pressure:2.01E-07mmHg at 25°C
XLogP3:2.7
Hydrogen Bond Donor Count:0
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:0
Exact Mass:236.083729621
Heavy Atom Count:18
Complexity:313

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:C1C2=CC=CC=C2C(=O)CC3=CC=CC=C3C1=O

Technology Process of Dibenzo[a,e][8]annulene-5,11(6h,12h)-dione

There total 2 articles about Dibenzo[a,e][8]annulene-5,11(6h,12h)-dione 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: 46.0%

: 3469-06-5
benzocyclobutenone

: 21083-39-6
dibenzo[a,e][8]annulene-5,11(6H,12H)-dione

Guidance literature:: With 18-crown-6 ether; potassium hexamethylsilazane; In tetrahydrofuran; at -78 - -20 ℃; for 2.5h; Reagent/catalyst;
DOI:10.1055/a-1545-7706

Reference yield: 21.0%

: 75-77-4
chloro-trimethyl-silane

: 3469-06-5
benzocyclobutenone

: 21083-39-6
dibenzo[a,e][8]annulene-5,11(6H,12H)-dione

: 78752-32-6
benzocyclobutenone

Guidance literature:: With 2,2,6,6-tetramethylpiperidinyl-lithium; In tetrahydrofuran; at -78 ℃; for 3h;
DOI:10.1039/a905868k

Reference yield:

: 21083-39-6
dibenzo[a,e][8]annulene-5,11(6H,12H)-dione

: 19275-41-3
2-(3-Brom-1-oxo-inden-2-yl)-benzoesaeure-ethylester

Guidance literature:: Multi-step reaction with 3 steps

1: KOAc

2: Br₂, AcOH

3: (i) Br₂, CHCl₃, (ii) /BRN= 1718733/, aq. NH₃

With bromine; potassium acetate; acetic acid;
DOI:10.1139/v70-129