6H-Dibenzo(b,d)pyran-6-one, 7,8-dihydroxy-

Base Information

Chemical Name:6H-Dibenzo(b,d)pyran-6-one, 7,8-dihydroxy-
CAS No.:131086-96-9
Molecular Formula:C₁₃H₈O₄
Molecular Weight:228.204
Hs Code.:
DSSTox Substance ID:DTXSID50156884
Nikkaji Number:J403.500C
Wikidata:Q83025000

Synonyms:6H-Dibenzo(b,d)pyran-6-one, 7,8-dihydroxy-;131086-96-9;SCHEMBL7982381;DTXSID50156884;7,8-dihydroxy-6h-dibenzo[b,d]pyran-6-one

Suppliers and Price of 6H-Dibenzo(b,d)pyran-6-one, 7,8-dihydroxy-

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
Packaging
price

Total 3 raw suppliers

Chemical Property of 6H-Dibenzo(b,d)pyran-6-one, 7,8-dihydroxy-

Chemical Property:

Vapor Pressure:4.25E-10mmHg at 25°C
Boiling Point:486.7°Cat760mmHg
Flash Point:197.1°C
Density:1.516g/cm³
XLogP3:2.9
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:0
Exact Mass:228.04225873
Heavy Atom Count:17
Complexity:317

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=C(C(=C(C=C3)O)O)C(=O)O2

Technology Process of 6H-Dibenzo(b,d)pyran-6-one, 7,8-dihydroxy-

There total 5 articles about 6H-Dibenzo(b,d)pyran-6-one, 7,8-dihydroxy- 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: 84.0%

: 433299-80-0
7-hydroxy-8-methoxy-6H-benzo[c]chromen-6-one

: 131086-96-9
7,8-dihydroxy-6H-benzo[c]chromen-6-one

Guidance literature:: With boron tribromide; In dichloromethane; at 0 - 20 ℃; for 3h;
DOI:10.1002/chem.200501024

Reference yield:

: 68314-54-5
1-bromo-2-(methoxymethoxy)benzene

: 131086-96-9
7,8-dihydroxy-6H-benzo[c]chromen-6-one

Guidance literature:: Multi-step reaction with 2 steps

1: 71 percent / 2 M aq.Na₂CO₃ / Pd(PPh₃)4 / 1,2-dimethoxy-ethane; ethanol / 18 h / Heating

2: 1) BBr₃, 2) glacial HOAc / 1) CH₂Cl₂, overnight, 2) reflux, 8 h

With boron tribromide; sodium carbonate; acetic acid; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In 1,2-dimethoxyethane; ethanol;
DOI:10.1021/jo00012a004

Reference yield:

: 133730-23-1
2-N,N-diisopropylcarboxamido-3,4-dimethoxyphenyl boronic acid

: 131086-96-9
7,8-dihydroxy-6H-benzo[c]chromen-6-one

Guidance literature:: Multi-step reaction with 2 steps

1: 71 percent / 2 M aq.Na₂CO₃ / Pd(PPh₃)4 / 1,2-dimethoxy-ethane; ethanol / 18 h / Heating

2: 1) BBr₃, 2) glacial HOAc / 1) CH₂Cl₂, overnight, 2) reflux, 8 h

With boron tribromide; sodium carbonate; acetic acid; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In 1,2-dimethoxyethane; ethanol;
DOI:10.1021/jo00012a004