methyl 2-(2,6-bis(4-(dimethylamino)styryl)-4H-pyran-4-ylidene)-2-cyanoacetate

Base Information

Chemical Name:methyl 2-(2,6-bis(4-(dimethylamino)styryl)-4H-pyran-4-ylidene)-2-cyanoacetate
CAS No.:1286222-32-9
Molecular Formula:C₂₉H₂₉N₃O₃
Molecular Weight:467.568
Hs Code.:

Synonyms:methyl 2-(2,6-bis(4-(dimethylamino)styryl)-4H-pyran-4-ylidene)-2-cyanoacetate

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Chemical Property of methyl 2-(2,6-bis(4-(dimethylamino)styryl)-4H-pyran-4-ylidene)-2-cyanoacetate

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Technology Process of methyl 2-(2,6-bis(4-(dimethylamino)styryl)-4H-pyran-4-ylidene)-2-cyanoacetate

There total 3 articles about methyl 2-(2,6-bis(4-(dimethylamino)styryl)-4H-pyran-4-ylidene)-2-cyanoacetate 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: 47.0%

: 49810-74-4
cyano-(2,6-dimethyl-4H-pyran-4-ylidene)-acetic acid methyl ester

: 100-10-7
4-dimethylamino-benzaldehyde

: 1286222-32-9
methyl 2-(2,6-bis(4-(dimethylamino)styryl)-4H-pyran-4-ylidene)-2-cyanoacetate

Guidance literature:: With piperidine; In acetonitrile; for 8h; Reflux;
DOI:10.1021/jp110176c

Reference yield:

: 1004-36-0
2,6-dimethylpyrone

: 1286222-32-9
methyl 2-(2,6-bis(4-(dimethylamino)styryl)-4H-pyran-4-ylidene)-2-cyanoacetate

Guidance literature:: Multi-step reaction with 2 steps

1: acetic anhydride / Reflux

2: piperidine / acetonitrile / 8 h / Reflux

With piperidine; acetic anhydride; In acetonitrile;
DOI:10.1021/jp110176c

Reference yield:

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

: 1286222-32-9
methyl 2-(2,6-bis(4-(dimethylamino)styryl)-4H-pyran-4-ylidene)-2-cyanoacetate

Guidance literature:: Multi-step reaction with 3 steps

1: sodium hydride / 1,2-dimethoxyethane

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

3: piperidine / acetonitrile / 24 h / Inert atmosphere; Reflux

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