3,4-Bis(diphenylmethylidene)oxolane-2,5-dione

Base Information

• Chemical Name: 3,4-Bis(diphenylmethylidene)oxolane-2,5-dione
• CAS No.: 20474-31-1
• Molecular Formula: C30H20 O3
• Molecular Weight: 428.487
• NSC Number: 201512
• DSSTox Substance ID: DTXSID30308026
• Nikkaji Number: J973.805C
• Wikidata: Q82055678
• Mol file: 20474-31-1.mol

Synonyms:20474-31-1;NSC201512;DTXSID30308026;NSC-201512;3,4-Bis(diphenylmethylidene)oxolane-2,5-dione

Chemical Property of 3,4-Bis(diphenylmethylidene)oxolane-2,5-dione

Chemical Property:

• Vapor Pressure: 1.69E-16mmHg at 25°C
• Boiling Point: 644.4°C at 760 mmHg
• Flash Point: 323.5°C
• Density: 1.255g/cm³
• XLogP3: 7.6
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 4
• Exact Mass: 428.14124450
• Heavy Atom Count: 33
• Complexity: 673

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

• Canonical SMILES: C1=CC=C(C=C1)C(=C2C(=C(C3=CC=CC=C3)C4=CC=CC=C4)C(=O)OC2=O)C5=CC=CC=C5

Technology Process of 3,4-Bis(diphenylmethylidene)oxolane-2,5-dione

There total 8 articles about 3,4-Bis(diphenylmethylidene)oxolane-2,5-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:

benzhydrylidene-succinic acid (5693-09-4) → dibenzhydrylidene-succinic acid anhydride (20474-31-1)

Guidance literature:

Multi-step reaction with 2 steps

1: sulfuric acid

2: sodium methylate / anschliessendes Erhitzen mit wss. Natronlauge und Behandeln des Reaktionsprodukts mit Acetylchlorid

With sulfuric acid; sodium methylate;

DOI:10.1021/jo01222a011

Reference yield:

benzophenone (119-61-9) + methyl 3-carbomethoxy-4,4-diphenyl-3-butenoate (84319-28-8) → dibenzhydrylidene-succinic acid anhydride (20474-31-1) + (α-acetoxy-benzhydryl)-benzhydrylidene-succinic acid (858807-12-2)

Guidance literature:

With sodium methylate; anschliessend Erhitzen mit wss. Natronlauge und Behandeln des Reaktionsprodukts mit Acetylchlorid;

DOI:10.1021/jo01222a011

Reference yield:

benzophenone (119-61-9) + diethyl diphenylmethylenesuccinate (6938-64-3) → dibenzhydrylidene-succinic acid anhydride (20474-31-1)

Guidance literature:

With sodium ethanolate; Behandeln des entstandenen Tetraphenylfulgensaeure-monoaethylester mit Alkali anschliessend mit Acetylchlorid;

upstream raw materials:

benzophenone

methyl 3-carbomethoxy-4,4-diphenyl-3-butenoate

sodium methylate

diethyl diphenylmethylenesuccinate

Downstream raw materials:

2,2-benzhydrylidene-3-carboxy-4,4-diphenyl-3-butenoic acid

2-(1-oxo-3-phenyl-inden-2-yl)-3,3-diphenyl-acrylic acid

2-(2,2-diphenyl-vinyl)-3-phenyl-inden-1-one

2-(1-oxo-3-phenyl-inden-2-yl)-3,3-diphenyl-acryloyl chloride