diethyl 3-amino-4-[(triphenylphosphoranylidene)amino]thieno[2,3-b]thiophene-2,5-dicarboxylate

Base Information

• Chemical Name: diethyl 3-amino-4-[(triphenylphosphoranylidene)amino]thieno[2,3-b]thiophene-2,5-dicarboxylate
• CAS No.: 1031798-26-1
• Molecular Formula: C₃₀H₂₇N₂O₄PS₂
• Molecular Weight: 574.661

Synonyms:diethyl 3-amino-4-[(triphenylphosphoranylidene)amino]thieno[2,3-b]thiophene-2,5-dicarboxylate

Chemical Property of diethyl 3-amino-4-[(triphenylphosphoranylidene)amino]thieno[2,3-b]thiophene-2,5-dicarboxylate

Chemical Property:

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Technology Process of diethyl 3-amino-4-[(triphenylphosphoranylidene)amino]thieno[2,3-b]thiophene-2,5-dicarboxylate

There total 1 articles about diethyl 3-amino-4-[(triphenylphosphoranylidene)amino]thieno[2,3-b]thiophene-2,5-dicarboxylate 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: 85.0%

Diethyl 3,4-diaminothieno<2,3-b>thiophene-2,5-dicarboxylate (4004-20-0) + triphenylphosphine (603-35-0) → diethyl 3-amino-4-[(triphenylphosphoranylidene)amino]thieno[2,3-b]thiophene-2,5-dicarboxylate (1031798-26-1)

Guidance literature:

With hexachloroethane; triethylamine; In acetonitrile; at 20 ℃; for 4h;

DOI:10.1016/j.tet.2008.07.036

Reference yield: 72.0%

diethyl 3-amino-4-[(triphenylphosphoranylidene)amino]thieno[2,3-b]thiophene-2,5-dicarboxylate (1031798-26-1) + phenyl isocyanate (103-71-9) → diethyl 3-amino-4-[{[phenylimino]methylidene}amino]thieno[2,3-b]thiophene-2,5-dicarboxylate (1064653-97-9)

Guidance literature:

In dichloromethane; at 0 - 5 ℃;

DOI:10.1016/j.tet.2008.07.036

Reference yield: 68.0%

diethyl 3-amino-4-[(triphenylphosphoranylidene)amino]thieno[2,3-b]thiophene-2,5-dicarboxylate (1031798-26-1) + 3-tolyl isocyanate (621-29-4) → diethyl 3-amino-4-[{[(3-methylphenyl)imino]methylidene}amino]thieno[2,3-b]thiophene-2,5-dicarboxylate (1064654-00-7)

Guidance literature:

In dichloromethane; at 0 - 5 ℃;

DOI:10.1016/j.tet.2008.07.036

upstream raw materials:

Diethyl 3,4-diaminothieno<2,3-b>thiophene-2,5-dicarboxylate

triphenylphosphine

Downstream raw materials:

diethyl 3-amino-4-[{[(3-methylphenyl)imino]methylidene}amino]thieno[2,3-b]thiophene-2,5-dicarboxylate

diethyl 3-amino-4-[{[(4-chlorophenyl)imino]methylidene}amino]thieno[2,3-b]thiophene-2,5-dicarboxylate

diethyl 3-amino-4-[{[phenylimino]methylidene}amino]thieno[2,3-b]thiophene-2,5-dicarboxylate

diethyl 3-amino-4-[{[(4-fluorophenyl)imino]methylidene}amino]thieno[2,3-b]thiophene-2,5-dicarboxylate

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