(Z,Z)-1,4-dicyano-2,3-di(phenylamino)butadiene-1,4-dicarboxylic acid diethyl ester

Base Information

• Chemical Name: (Z,Z)-1,4-dicyano-2,3-di(phenylamino)butadiene-1,4-dicarboxylic acid diethyl ester
• CAS No.: 220470-73-5
• Molecular Formula: C₂₄H₂₂N₄O₄
• Molecular Weight: 430.463

Synonyms:(Z,Z)-1,4-dicyano-2,3-di(phenylamino)butadiene-1,4-dicarboxylic acid diethyl ester

Chemical Property of (Z,Z)-1,4-dicyano-2,3-di(phenylamino)butadiene-1,4-dicarboxylic acid diethyl ester

Chemical Property:

Purity/Quality:

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Technology Process of (Z,Z)-1,4-dicyano-2,3-di(phenylamino)butadiene-1,4-dicarboxylic acid diethyl ester

There total 2 articles about (Z,Z)-1,4-dicyano-2,3-di(phenylamino)butadiene-1,4-dicarboxylic acid diethyl 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: 48.0%

N,N'-diphenyloxaldiimidoyl dichloride (20033-74-3) + ethyl 2-cyanoacetate (105-56-6) → (Z,Z)-1,4-dicyano-2,3-di(phenylamino)butadiene-1,4-dicarboxylic acid diethyl ester (220470-73-5)

Guidance literature:

ethyl 2-cyanoacetate; With lithium diisopropyl amide; In tetrahydrofuran; at 0 ℃; for 0.166667h;

N,N'-diphenyloxaldiimidoyl dichloride; In tetrahydrofuran; at -20 - 50 ℃; for 24h; Further stages.;

DOI:10.1021/jo991701l

Reference yield:

bis(phenylimidoyl)chloride (20033-74-3) + ethyl 2-cyanoacetate (105-56-6) → (Z,Z)-1,4-dicyano-2,3-di(phenylamino)butadiene-1,4-dicarboxylic acid diethyl ester (220470-73-5)

Guidance literature:

With sodium hexamethyldisilazane; In tetrahydrofuran; at 0 ℃;

DOI:10.1021/jo991377u

Reference yield:

(Z,Z)-1,4-dicyano-2,3-di(phenylamino)butadiene-1,4-dicarboxylic acid diethyl ester (220470-73-5) → (E)-<1-phenyl-3-(phenylamino)-4-cyano-2-oxopyrrol-5-ylidene>cyanoacetic acid ethyl ester

Guidance literature:

In toluene; for 48h; Heating;

DOI:10.1021/jo991377u

upstream raw materials:

bis(phenylimidoyl)chloride

ethyl 2-cyanoacetate

N,N'-diphenyloxaldiimidoyl dichloride

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