Naphtho[2,3-b]thiophene-4,9-diylidenebis-cyanamide

Base Information

• Chemical Name: Naphtho[2,3-b]thiophene-4,9-diylidenebis-cyanamide
• CAS No.: 143746-74-1
• Molecular Formula: C₁₄H₆N₄S
• Molecular Weight: 262.294
• DSSTox Substance ID: DTXSID80438640
• Nikkaji Number: J498.347E
• Mol file: 143746-74-1.mol

Synonyms:143746-74-1;Naphtho[2,3-b]thiophene-4,9-diylidenebis-cyanamide;Naphtho[2,3-b]thiene-4,9-diylidenedicyanamide;(4-cyanoiminobenzo[f][1]benzothiol-9-ylidene)cyanamide;DTXSID80438640;N,N'-Dicyano-4,9-dihydronaphtho[2,3-b]thiophene-4,9-diimine

Chemical Property of Naphtho[2,3-b]thiophene-4,9-diylidenebis-cyanamide

Chemical Property:

• Boiling Point: 460.6±55.0 °C(Predicted)
• PKA: -5.43±0.20(Predicted)
• PSA: 100.54000
• Density: 1.38±0.1 g/cm3(Predicted)
• LogP: 2.69846
• XLogP3: 3.5
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 5
• Rotatable Bond Count: 0
• Exact Mass: 262.03131738
• Heavy Atom Count: 19
• Complexity: 532

Purity/Quality:

NAPHTHO[2,3-B]THIOPHENE-4,9-DIYLIDENEBIS-CYANAMIDE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C2C(=C1)C(=NC#N)C3=C(C2=NC#N)SC=C3

Technology Process of Naphtho[2,3-b]thiophene-4,9-diylidenebis-cyanamide

There total 1 articles about Naphtho[2,3-b]thiophene-4,9-diylidenebis-cyanamide 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: 68.0%

naphtho[2,3-b]thiophene-4,9-dione (4968-81-4) + bis(trimethylsilyl)carbodi-imide (1000-70-0) → N,N'-dicyanothieno<2,3-b>-1,4-naphthoquinone diimine (143746-74-1)

Guidance literature:

With titanium tetrachloride; In dichloromethane; for 96h; Ambient temperature;

DOI:10.1021/jo00049a027

upstream raw materials:

naphtho[2,3-b]thiophene-4,9-dione

bis(trimethylsilyl)carbodi-imide

Refernces