5-(3-amino-phenylethynyl)-2-ureido-thiophene-3-carboxylic acid amide

Base Information

• Chemical Name: 5-(3-amino-phenylethynyl)-2-ureido-thiophene-3-carboxylic acid amide
• CAS No.: 859809-34-0
• Molecular Formula: C₁₄H₁₂N₄O₂S
• Molecular Weight: 300.341
• Mol file: 859809-34-0.mol

Synonyms:5-(3-amino-phenylethynyl)-2-ureido-thiophene-3-carboxylic acid amide

Chemical Property of 5-(3-amino-phenylethynyl)-2-ureido-thiophene-3-carboxylic acid amide

Chemical Property:

Purity/Quality:

Safty Information:

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MSDS Files:

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Technology Process of 5-(3-amino-phenylethynyl)-2-ureido-thiophene-3-carboxylic acid amide

There total 1 articles about 5-(3-amino-phenylethynyl)-2-ureido-thiophene-3-carboxylic acid amide 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: 17.0%

2-[(aminocarbonyl)amino]-5-bromo-3-thiophenecarboxamide (354812-10-5) + 3-acetylenephenylamine (54060-30-9) → 5-(3-amino-phenylethynyl)-2-ureido-thiophene-3-carboxylic acid amide (859809-34-0)

Guidance literature:

With copper(l) iodide; bis(benzonitrile)palladium(II) dichloride; (i-Pr₂)2Fc; N-ethyl-N,N-diisopropylamine; In ethanol; N,N-dimethyl acetamide; at 75 ℃;

DOI:10.1016/j.bmcl.2005.03.090

Reference yield: 85.0%

5-(3-amino-phenylethynyl)-2-ureido-thiophene-3-carboxylic acid amide (859809-34-0) + methanesulfonyl chloride (124-63-0) → 5-(3-methanesulfonylamino-phenylethynyl)-2-ureido-thiophene-3-carboxylic acid amide

Guidance literature:

With pyridine; In tetrahydrofuran; at 0 ℃;

DOI:10.1016/j.bmcl.2005.03.090

Reference yield:

5-(3-amino-phenylethynyl)-2-ureido-thiophene-3-carboxylic acid amide (859809-34-0) + nicotinic acid (59-67-6) → N-[3-(4-carbamoyl-5-ureido-thiophen-2-ylethynyl)-phenyl]-nicotinamide

Guidance literature:

With N,N-dimethyl-ethanamine; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; In N,N-dimethyl-formamide; at 20 ℃;

DOI:10.1016/j.bmcl.2005.03.090

upstream raw materials:

2-[(aminocarbonyl)amino]-5-bromo-3-thiophenecarboxamide

3-acetylenephenylamine