2,3,7,8-Tetramethoxythianthrene

Base Information

• Chemical Name: 2,3,7,8-Tetramethoxythianthrene
• CAS No.: 41079-73-6
• Molecular Formula: C16H16O4S2
• Molecular Weight: 336.4258
• DSSTox Substance ID: DTXSID40961429
• Nikkaji Number: J419.839E
• Wikidata: Q82942847
• Mol file: 41079-73-6.mol

Synonyms:2,3,7,8-Tetramethoxythianthrene;41079-73-6;Thianthrene, 2,3,7,8-tetramethoxy-;SCHEMBL1201869;DTXSID40961429;AKOS004903566;69098-56-2

Chemical Property of 2,3,7,8-Tetramethoxythianthrene

Chemical Property:

• Vapor Pressure: 4.75E-09mmHg at 25°C
• Boiling Point: 483.9°Cat760mmHg
• Flash Point: 246.4°C
• Density: 1.288g/cm³
• XLogP3: 4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 6
• Rotatable Bond Count: 4
• Exact Mass: 336.04900133
• Heavy Atom Count: 22
• Complexity: 304

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: COC1=CC2=C(C=C1OC)SC3=C(S2)C=C(C(=C3)OC)OC

Technology Process of 2,3,7,8-Tetramethoxythianthrene

There total 4 articles about 2,3,7,8-Tetramethoxythianthrene 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: 89.0%

1,2-diiodo-4,5-dimethoxybenzene (110190-08-4) → 2,3,7,8-tetramethoxythianthrene (41079-73-6,69098-56-2)

Guidance literature:

With copper(l) iodide; 1,10-Phenanthroline; potassium carbonate; sulfur; In N,N-dimethyl acetamide; at 90 ℃; for 48h; Reagent/catalyst; Solvent; Inert atmosphere;

DOI:10.1021/acs.orglett.1c03781

Reference yield:

3,4-dimethoxybenzene-1-sulfonyl chloride (23095-31-0) → 2,3,7,8-tetramethoxythianthrene (41079-73-6,69098-56-2)

Guidance literature:

With water; zinc; anschliessendes Erwaermen mit wss. Salzsaeure;

Reference yield:

3,4-dimethoxythiophenol (700-96-9) → 2,3,7,8-tetramethoxythianthrene (41079-73-6,69098-56-2)

Guidance literature:

With sulfuric acid;

upstream raw materials:

3,4-dimethoxythiophenol

3,4-dimethoxybenzene-1-sulfonyl chloride

1,2-dimethoxybenzene

1,2-diiodo-4,5-dimethoxybenzene

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