2-(4-Chlorophenyl)thieno[2,3-d]pyridazin-7(6H)-one

Base Information

• Chemical Name: 2-(4-Chlorophenyl)thieno[2,3-d]pyridazin-7(6H)-one
• CAS No.: 897661-99-3
• Molecular Formula: C12H7ClN2OS
• Molecular Weight: 262.719
• DSSTox Substance ID: DTXSID10468910
• Wikidata: Q82296400

Synonyms:2-(4-Chlorophenyl)thieno[2,3-d]pyridazin-7(6H)-one;897661-99-3;SCHEMBL1144530;DTXSID10468910;PUVVCAFKQNWFNZ-UHFFFAOYSA-N;2-(4-chlorophenyl)thieno[3,2-d]pyridazin-7(6H)-one

Chemical Property of 2-(4-Chlorophenyl)thieno[2,3-d]pyridazin-7(6H)-one

Chemical Property:

• XLogP3: 3
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 1
• Exact Mass: 261.9967617
• Heavy Atom Count: 17
• Complexity: 341

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC(=CC=C1C2=CC3=C(S2)C(=O)NN=C3)Cl

Technology Process of 2-(4-Chlorophenyl)thieno[2,3-d]pyridazin-7(6H)-one

There total 4 articles about 2-(4-Chlorophenyl)thieno[2,3-d]pyridazin-7(6H)-one 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: 87.0%

methanol (67-56-1) + 5-(4-chlorophenyl)thiophene-2-carboxylic acid (40133-14-0) → 2-(4-chlorophenyl)thieno[2,3-d]pyridazin-7(6H)-one (897661-99-3)

Guidance literature:

5-(4-chlorophenyl)thiophene-2-carboxylic acid; With n-butyllithium; In tetrahydrofuran; hexane; at -78 - 0 ℃; for 5h;

methanol; With hydrogenchloride; hydrazine; for 48h; Heating / reflux;

Reference yield: 71.0%

5-(4-chlorophenyl)-3-formylthiophene-2-carboxylic acid (921592-97-4) → 2-(4-chlorophenyl)thieno[2,3-d]pyridazin-7(6H)-one (897661-99-3)

Guidance literature:

With hydrogenchloride; hydrazine; In ethanol; water; at 82 ℃; for 48h;

Reference yield:

2-(4-chloro-phenyl)-6-(tetrahydro-pyran-2-yl)-6H-thieno[2,3-d]pyridazin-7-one → 2-(4-chlorophenyl)thieno[2,3-d]pyridazin-7(6H)-one (897661-99-3)

Guidance literature:

With hydrogenchloride; In methanol; for 1.5h; Heating;

DOI:10.1021/jm051263c

upstream raw materials:

4-chloro-2-(tetrahydropyran-2-yl)-5-(4-chlorophenylethynyl)-2H-pyridazin-3-one

5-(4-chlorophenyl)-3-formylthiophene-2-carboxylic acid

methanol

5-(4-chlorophenyl)thiophene-2-carboxylic acid

Downstream raw materials:

2-(4-Chlorophenyl)-6-(4-(2-hydroxy-2-methylpropoxy)-3-methoxyphenyl)-thieno[2,3-d]pyridazin-7(6H)-one

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