Benzo[b]naphtho[2,3-d]furan

Base Information

• Chemical Name: Benzo[b]naphtho[2,3-d]furan
• CAS No.: 243-42-5
• Molecular Formula: C16H10O
• Molecular Weight: 218.255
• Hs Code.: 29321900
• European Community (EC) Number: 205-955-9
• NSC Number: 59787
• UNII: NN41VO15CG
• DSSTox Substance ID: DTXSID60179029
• Nikkaji Number: J5.438K
• Wikidata: Q83049551
• Mol file: 243-42-5.mol

Synonyms:Benzo[b]naphtho[2,3-d]furan;243-42-5;Benzo(b)naphtho(2,3-d)furan;Naphtho[2,3-b][1]benzofuran;naphtho[2,3-b]benzofuran;Benzonaphthofuran;Benzo(b)diphenylene oxide;NN41VO15CG;EINECS 205-955-9;NSC 59787;NSC-59787;AI3-52286;Brasan;NSC59787;.BETA.-BRAZAN;UNII-NN41VO15CG;SCHEMBL5474020;DTXSID60179029;Naphtho[2,3-b][1]benzofuran #;2,3-BENZODIPHENYLENE OXIDE;AKOS015914010;FT-0631889;A817240

Chemical Property of Benzo[b]naphtho[2,3-d]furan

Chemical Property:

• Appearance/Colour: white to light yellow crystal powder
• Vapor Pressure: 4.62E-06mmHg at 25°C
• Melting Point: 202-207 °C
• Refractive Index: 1.763
• Boiling Point: 394.1 °C at 760 mmHg
• Flash Point: 208.3 °C
• PSA: 13.14000
• Density: 1.25 g/cm³
• LogP: 4.73920
• XLogP3: 4.6
• 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:

97% ^*data from raw suppliers

Benzo[B]naphtho[2,3-D]furan ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xn
• Hazard Codes: Xn
• Statements: 40
• Safety Statements: 36/37

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C2C=C3C(=CC2=C1)C4=CC=CC=C4O3

Technology Process of Benzo[b]naphtho[2,3-d]furan

There total 59 articles about Benzo[b]naphtho[2,3-d]furan 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: 95.0%

2-12H-benzo[b]naphtho[2,3-e][1,4]oxaborinin-12-ol → β-brazan (243-42-5)

Guidance literature:

With iodine; palladium diacetate; potassium carbonate; In acetonitrile; at 20 - 80 ℃; for 12h; Schlenk technique; Inert atmosphere; Sealed tube;

DOI:10.1002/adsc.201300567

Reference yield: 84.0%

5a,6,11,11a-tetrahydrobenzonaphtho<2,3-d>furan → β-brazan (243-42-5)

Guidance literature:

With sulfur; In sulfolane; for 1h; Heating;

DOI:10.1002/jhet.5570330119

Reference yield: 80.0%

2-(2-naphthoxy)phenyl trifluoromethanesulfonate (479669-16-4) → β-brazan (243-42-5)

Guidance literature:

With bis(triphenylphosphine)palladium(II)-chloride; 1,8-diazabicyclo[5.4.0]undec-7-ene; lithium chloride; In N,N-dimethyl-formamide; at 145 ℃;

DOI:10.1016/S0040-4020(02)00534-3

upstream raw materials:

7,8,9,10-Tetrahydro-benzo[b]naphtho[2,3-d]furan

3-benzylbenzofuran-2-carbaldehyde

benzo[b]naphtho[2,3-d]furan-6,11-dione

1-(2′-hydroxyphenyl)naphthalene

Downstream raw materials:

benzo[b]naphtho[2,3-d]furan-6,11-dione

3-(2-hydroxyphenyl)naphthalen-2-ol

benzo[b]naphtho[2,3-d]thiophene