[4,4'-Bi-2H-1-benzopyran]-2,2'-dione

Base Information

Chemical Name:[4,4'-Bi-2H-1-benzopyran]-2,2'-dione
CAS No.:118545-81-6
Molecular Formula:C18H10O4
Molecular Weight:290.275
Hs Code.:
DSSTox Substance ID:DTXSID50478114
Nikkaji Number:J2.289.367J
Wikidata:Q82311301

Synonyms:118545-81-6;2H,2'H-[4,4'-bichromene]-2,2'-dione;[4,4'-Bi-2H-1-benzopyran]-2,2'-dione;4,4'-bicoumarin;SCHEMBL5396825;DTXSID50478114

Suppliers and Price of [4,4'-Bi-2H-1-benzopyran]-2,2'-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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Total 1 raw suppliers

Chemical Property of [4,4'-Bi-2H-1-benzopyran]-2,2'-dione

Chemical Property:

XLogP3:2.6
Hydrogen Bond Donor Count:0
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:1
Exact Mass:290.05790880
Heavy Atom Count:22
Complexity:509

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:

Useful:

Canonical SMILES:C1=CC=C2C(=C1)C(=CC(=O)O2)C3=CC(=O)OC4=CC=CC=C43

Technology Process of [4,4'-Bi-2H-1-benzopyran]-2,2'-dione

There total 2 articles about [4,4'-Bi-2H-1-benzopyran]-2,2'-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: 92.0%

: 17831-88-8
4-chloro-2H-1-benzopyran-2-one

: 91-64-5
coumarin

: 118545-81-6
4,4'-bis-(2H-chromen-2-one)

Guidance literature:: With bis[2-(diphenylphosphino)phenyl] ether; potassium iodide; zinc; bis(triphenylphosphine)nickel(II) chloride; In 1,4-dioxane; at 130 ℃; for 0.5h; microwave irradiation;
DOI:10.1002/adsc.200700081

Reference yield: 34.0%

: 62113-90-0
2-oxo-2H-chromen-4-yl methanesulfonate

: 77287-58-2
2-iodo-5-methoxybenzaldehyde

: 132901-31-6
4,4′-dimethoxy[1,1′-biphenyl]-2,2′-dicarbaldehyde

: 118545-81-6
4,4'-bis-(2H-chromen-2-one)

: 5-methoxy-2-(2-oxo-2H-chromen-4-yl)-benzaldehyde

Guidance literature:: With sodium hydride; triphenylphosphine; zinc; bis(triphenylphosphine)nickel(II) chloride; In toluene; at 90 ℃; for 4h; Further Variations:; Reagents; Solvents; time; Product distribution;
DOI:10.1055/s-2004-832818