Benzoxanthene anhydride

Base Information

• Chemical Name: Benzoxanthene anhydride
• CAS No.: 36310-05-1
• Molecular Formula: C₁₈H₈O₄
• Molecular Weight: 288.259
• Hs Code.: 2932999099
• DSSTox Substance ID: DTXSID70459566
• Nikkaji Number: J796.380G
• Wikidata: Q82283367
• Mol file: 36310-05-1.mol

Synonyms:Benzoxanthene anhydride;36310-05-1;Benzo[k,l]xanthene-3,4-dicarboxylic anhydride;1H,3h-isochromeno[6,5,4-mna]xanthene-1,3-dione;8,14-dioxapentacyclo[10.6.2.02,7.09,19.016,20]icosa-1(19),2,4,6,9,11,16(20),17-octaene-13,15-dione;3,4-benzoxanthenedicarboxylic anhydride;SCHEMBL12832441;DTXSID70459566;2,6-Dioxabenzo[a]pyrene-1,3-dione;AKOS015916233;1H,3H-[2]Benzopyrano[6,5,4-mna]xanthene-1,3-dione

Chemical Property of Benzoxanthene anhydride

Chemical Property:

• Vapor Pressure: 1.12E-12mmHg at 25°C
• Melting Point: >300 °C(lit.)
• Refractive Index: 1.776
• Boiling Point: 562.4°C at 760 mmHg
• Flash Point: 254.1°C
• PSA: 60.42000
• Density: 1.544g/cm³
• LogP: 3.64360
• XLogP3: 3.8
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 0
• Exact Mass: 288.04225873
• Heavy Atom Count: 22
• Complexity: 515

Purity/Quality:

97% ^*data from raw suppliers

Benzo[k,l]xanthene-3,4-dicarboxylic anhydride ^*data from reagent suppliers

Safty Information:

• Hazard Codes: T
• Statements: 25
• Safety Statements: 36-45

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: C1=CC=C2C(=C1)C3=C4C(=CC=C5C4=C(C=C3)C(=O)OC5=O)O2

Technology Process of Benzoxanthene anhydride

There total 13 articles about Benzoxanthene anhydride 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: 93.2%

4-(2-Aminophenoxy)-1,8-naphthalic anhydride (111669-60-4) → benzoxanthene-3,4-dicarboxylic anhydride (36310-05-1)

Guidance literature:

4-(2-Aminophenoxy)-1,8-naphthalic anhydride; With hydrogenchloride; acetic acid; sodium nitrite; In water; at 0 ℃; for 1h;

With copper(II) sulfate; In water; for 0.333333h; Reflux;

DOI:10.1016/j.ejmech.2011.04.040

Reference yield: 69.0%

6-(2-hydroxy-phenyl)-benzo[de]isochromene-1,3-dione (281207-17-8) → benzoxanthene-3,4-dicarboxylic anhydride (36310-05-1)

Guidance literature:

palladium on activated charcoal; In diphenylether; for 12h; Heating;

DOI:10.1016/S0040-4039(00)00288-4

Reference yield:

4-bromo-1,8-naphthalenedicarboxylic anhydride (81-86-7) → benzoxanthene-3,4-dicarboxylic anhydride (36310-05-1)

Guidance literature:

Multi-step reaction with 3 steps

1.1: NaOH; Cu / dimethylformamide / 1 h / Heating

2.1: Fe; AcOH / 1 h / Heating

3.1: aq. HCl; NaNO₂; AcOH / 1 h / 0 - 5 °C

3.2: aq. CuSO₄; AcOH / 0.5 h / Heating

With hydrogenchloride; sodium hydroxide; iron; copper; acetic acid; sodium nitrite; In N,N-dimethyl-formamide;

DOI:10.1016/j.bmcl.2007.02.015

upstream raw materials:

4-(2-Aminophenoxy)-1,8-naphthalic anhydride

6-(2-hydroxy-phenyl)-benzo[de]isochromene-1,3-dione

4-bromo-1,8-naphthalenedicarboxylic anhydride

4-(2-Nitrophenoxy)-1,8-naphthalic anhydride

Downstream raw materials:

2-Cyclohexyl-6-oxa-2-aza-benzo[def]chrysene-1,3-dione

2-p-Tolyl-6-oxa-2-aza-benzo[def]chrysene-1,3-dione

2-(3-Amino-phenyl)-6-oxa-2-aza-benzo[def]chrysene-1,3-dione

2-(4-Chloro-phenyl)-6-oxa-2-aza-benzo[def]chrysene-1,3-dione