2-(2,6-bis(4-(diphenylamino)styryl)-4H-pyran-4-ylidene)-2-cyanoacetic acid

Base Information

Chemical Name:2-(2,6-bis(4-(diphenylamino)styryl)-4H-pyran-4-ylidene)-2-cyanoacetic acid
CAS No.:1383052-29-6
Molecular Formula:C₄₈H₃₅N₃O₃
Molecular Weight:701.824
Hs Code.:

Synonyms:2-(2,6-bis(4-(diphenylamino)styryl)-4H-pyran-4-ylidene)-2-cyanoacetic acid

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Chemical Property of 2-(2,6-bis(4-(diphenylamino)styryl)-4H-pyran-4-ylidene)-2-cyanoacetic acid

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Technology Process of 2-(2,6-bis(4-(diphenylamino)styryl)-4H-pyran-4-ylidene)-2-cyanoacetic acid

There total 3 articles about 2-(2,6-bis(4-(diphenylamino)styryl)-4H-pyran-4-ylidene)-2-cyanoacetic acid 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: 72.0%

: 1383052-31-0
methyl 2-(2,6-bis(4-(diphenylamino)styryl)-4H-pyran-4-ylidene)-2-cyanoacetate

: 1383052-29-6
2-(2,6-bis(4-(diphenylamino)styryl)-4H-pyran-4-ylidene)-2-cyanoacetic acid

Guidance literature:: methyl 2-(2,6-bis(4-(diphenylamino)styryl)-4H-pyran-4-ylidene)-2-cyanoacetate; With lithium hydroxide; In tetrahydrofuran; ethanol; water; at 50 ℃; for 5h;

With ammonium chloride; In water;
DOI:10.1016/j.jphotochem.2011.09.014

Reference yield:

: 123-54-6,81235-32-7
acetylacetone

: 1383052-29-6
2-(2,6-bis(4-(diphenylamino)styryl)-4H-pyran-4-ylidene)-2-cyanoacetic acid

Guidance literature:: Multi-step reaction with 4 steps

1: sodium hydride / 1,2-dimethoxyethane

2: acetic anhydride / 6 h / Reflux; Inert atmosphere

3: piperidine / acetonitrile / Inert atmosphere; Reflux

4: lithium hydroxide / tetrahydrofuran; ethanol; water / 5 h / 50 °C

With piperidine; sodium hydride; lithium hydroxide; In tetrahydrofuran; 1,2-dimethoxyethane; ethanol; water; acetic anhydride; acetonitrile;
DOI:10.1016/j.jphotochem.2011.09.014

Reference yield:

: 1004-36-0
2,6-dimethylpyrone

: 1383052-29-6
2-(2,6-bis(4-(diphenylamino)styryl)-4H-pyran-4-ylidene)-2-cyanoacetic acid

Guidance literature:: Multi-step reaction with 3 steps

1: acetic anhydride / 6 h / Reflux; Inert atmosphere

2: piperidine / acetonitrile / Inert atmosphere; Reflux

3: lithium hydroxide / tetrahydrofuran; ethanol; water / 5 h / 50 °C

With piperidine; lithium hydroxide; In tetrahydrofuran; ethanol; water; acetic anhydride; acetonitrile;
DOI:10.1016/j.jphotochem.2011.09.014