2-phenyliminomethyleneamino-4,5,6,7-tetrahydro-benzo[b]thiophene-3-carboxylic acid ethyl ester

Base Information

• Chemical Name: 2-phenyliminomethyleneamino-4,5,6,7-tetrahydro-benzo[b]thiophene-3-carboxylic acid ethyl ester
• CAS No.: 1027406-50-3
• Molecular Formula: C₁₈H₁₈N₂O₂S
• Molecular Weight: 326.419
• Mol file: 1027406-50-3.mol

Synonyms:2-phenyliminomethyleneamino-4,5,6,7-tetrahydro-benzo[b]thiophene-3-carboxylic acid ethyl ester

Chemical Property of 2-phenyliminomethyleneamino-4,5,6,7-tetrahydro-benzo[b]thiophene-3-carboxylic acid ethyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-phenyliminomethyleneamino-4,5,6,7-tetrahydro-benzo[b]thiophene-3-carboxylic acid ethyl ester

There total 1 articles about 2-phenyliminomethyleneamino-4,5,6,7-tetrahydro-benzo[b]thiophene-3-carboxylic acid ethyl ester 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:

phenyl isocyanate (103-71-9) + 4,5,6,7-Tetrahydro-2-(triphenylphosphoranylidenamino)benzothiophen-3-carbonsaeure-ethylester (90543-03-6) → 2-phenyliminomethyleneamino-4,5,6,7-tetrahydro-benzo[b]thiophene-3-carboxylic acid ethyl ester (1027406-50-3)

Guidance literature:

In dichloromethane; at 0 - 5 ℃;

DOI:10.1055/s-2003-44358 DOI:10.1055/s-2005-865289

Reference yield: 87.0%

2-phenyliminomethyleneamino-4,5,6,7-tetrahydro-benzo[b]thiophene-3-carboxylic acid ethyl ester (1027406-50-3) → 3-amino-2-phenylamino-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one (168280-54-4)

Guidance literature:

With hydrazine hydrate; In ethanol; at 20 ℃; for 0.166667h;

DOI:10.1055/s-2005-865289

Reference yield:

4-bromo-phenol (106-41-2) + 2-phenyliminomethyleneamino-4,5,6,7-tetrahydro-benzo[b]thiophene-3-carboxylic acid ethyl ester (1027406-50-3) → 2-(4-bromo-phenoxy)-3-phenyl-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one

Guidance literature:

With potassium carbonate; In acetonitrile; at 20 ℃; for 8h;

DOI:10.1055/s-2003-44358

upstream raw materials:

phenyl isocyanate

4,5,6,7-Tetrahydro-2-(triphenylphosphoranylidenamino)benzothiophen-3-carbonsaeure-ethylester

Downstream raw materials:

3-amino-2-phenylamino-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one

2-mercapto-3-phenyl-1,2,4-triazolo[1,5-a]-6,7,8,9-tetrahydro[b]thieno[2,3-d]pyrimidin-10-one