Benz[a]anthracene-7,12-dicarboxaldehyde

Base Information

• Chemical Name: Benz[a]anthracene-7,12-dicarboxaldehyde
• CAS No.: 19926-22-8
• Molecular Formula: C₂₀H₁₂O₂
• Molecular Weight: 284.314
• Mol file: 19926-22-8.mol

Synonyms:7,12-Diformylbenz[a]anthracene

Chemical Property of Benz[a]anthracene-7,12-dicarboxaldehyde

Chemical Property:

• Vapor Pressure: 1.84E-12mmHg at 25°C
• Refractive Index: 1.6440 (estimate)
• Boiling Point: 557.5°Cat760mmHg
• Flash Point: 204.1°C
• PSA: 34.14000
• Density: 1.321g/cm³
• LogP: 4.77120

Purity/Quality:

99% ^*data from raw suppliers

BENZ[A]ANTHRACENE-7,12-DICARBOXALDEHYDE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Benz[a]anthracene-7,12-dicarboxaldehyde

There total 5 articles about Benz[a]anthracene-7,12-dicarboxaldehyde 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: 75.0%

C20H16O2 (27570-93-0) → 7.12-Diformyl-benzanthracen (19926-22-8)

Guidance literature:

With lead(IV) acetate; acetic acid; at 30 - 35 ℃; for 2h;

DOI:10.1021/jm00347a006

Reference yield:

7-Formyl-12-hydroxy-methyl-benzanthracen (19926-21-7) → 7.12-Diformyl-benzanthracen (19926-22-8)

Guidance literature:

With 2,3-dicyano-5,6-dichloro-p-benzoquinone; In 1,4-dioxane;

DOI:10.1021/jm00311a047

Reference yield:

C21H14O3 (27525-64-0) → 7.12-Diformyl-benzanthracen (19926-22-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 90 percent / aq. KOH / ethanol / 2 h / 70 - 75 °C

2: 75 percent / lead tetraacetate, acetic acid / 2 h / 30 - 35 °C

With lead(IV) acetate; potassium hydroxide; acetic acid; In ethanol;

DOI:10.1021/jm00347a006

upstream raw materials:

7-Formyl-12-hydroxy-methyl-benzanthracen

C₂₀H₁₆O₂

C₂₁H₁₄O₃

7,12-dihydroxymethylbenz[a]anthracene

Refernces

• 1、 -. "Novel dihydrobenzanthracene derivatives". . . Retrieved 2008/06/13.