diethyl 3,5-bis(phenyliminomethyleneamino)dithieno[3',2'-e:2,3-b]pyrazine-2,6-dicarboxylate

Base Information

Chemical Name:diethyl 3,5-bis(phenyliminomethyleneamino)dithieno[3',2'-e:2,3-b]pyrazine-2,6-dicarboxylate
CAS No.:654664-87-6
Molecular Formula:C₂₈H₂₀N₆O₄S₂
Molecular Weight:568.637
Hs Code.:

Synonyms:diethyl 3,5-bis(phenyliminomethyleneamino)dithieno[3',2'-e:2,3-b]pyrazine-2,6-dicarboxylate

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Chemical Property of diethyl 3,5-bis(phenyliminomethyleneamino)dithieno[3',2'-e:2,3-b]pyrazine-2,6-dicarboxylate

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Technology Process of diethyl 3,5-bis(phenyliminomethyleneamino)dithieno[3',2'-e:2,3-b]pyrazine-2,6-dicarboxylate

There total 2 articles about diethyl 3,5-bis(phenyliminomethyleneamino)dithieno[3',2'-e:2,3-b]pyrazine-2,6-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: 75.0%

: 103-71-9
phenyl isocyanate

: 654664-82-1
diethyl 3,5-di[(triphenylphosphoranylidene)amino]dithieno[3',2'-e:2,3-b]pyrazine-2,6-dicarboxylate

: 654664-87-6
diethyl 3,5-bis(phenyliminomethyleneamino)dithieno[3',2'-e:2,3-b]pyrazine-2,6-dicarboxylate

Guidance literature:: In tetrahydrofuran; at 20 ℃;
DOI:10.1016/j.tet.2003.11.021

Reference yield:

: 654664-80-9
diethyl 3,5-diaminodithieno[3',2'-e:2,3-b]pyrazine-2,6-dicarboxylate

: 654664-87-6
diethyl 3,5-bis(phenyliminomethyleneamino)dithieno[3',2'-e:2,3-b]pyrazine-2,6-dicarboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: 84 percent / hexachloroethane; triethylamine / toluene / 48 h / 100 °C

2: 75 percent / tetrahydrofuran / 20 °C

With hexachloroethane; triethylamine; In tetrahydrofuran; toluene; 1: Kirsanov reaction / 2: aza-Wittig reaction;
DOI:10.1016/j.tet.2003.11.021

Reference yield:

: 654664-87-6
diethyl 3,5-bis(phenyliminomethyleneamino)dithieno[3',2'-e:2,3-b]pyrazine-2,6-dicarboxylate

: 2,10-dimorpholino-3,9-diphenylpyrazino[5'',6'':4,5;3'',2'':4',5']dithieno[3,2-d:3',2'-d']dipyrimidine-4,8(3H,9H)-dione

Guidance literature:: Multi-step reaction with 2 steps

1: CH₂Cl₂ / 2 h / 20 °C

2: K₂CO₃ / acetone / 0.5 h / Heating

With potassium carbonate; In dichloromethane; acetone;
DOI:10.1016/j.tet.2003.11.021