(2E)-2-[cyano(4-methoxyphenyl)methylene]-4-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6,7-dicarbonitrile

Base Information

Chemical Name:(2E)-2-[cyano(4-methoxyphenyl)methylene]-4-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6,7-dicarbonitrile
CAS No.:1310815-74-7
Molecular Formula:C₂₀H₁₂N₄O₄
Molecular Weight:372.34
Hs Code.:

Synonyms:(2E)-2-[cyano(4-methoxyphenyl)methylene]-4-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6,7-dicarbonitrile

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Chemical Property of (2E)-2-[cyano(4-methoxyphenyl)methylene]-4-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6,7-dicarbonitrile

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Technology Process of (2E)-2-[cyano(4-methoxyphenyl)methylene]-4-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6,7-dicarbonitrile

There total 5 articles about (2E)-2-[cyano(4-methoxyphenyl)methylene]-4-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6,7-dicarbonitrile 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: 78.0%

: 1310815-71-4
(2E)-2-[cyano(4-methoxyphenyl)methylene]-4-hydroxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6,7-dicarbonitrile

: 74-88-4
methyl iodide

: 1310815-74-7
(2E)-2-[cyano(4-methoxyphenyl)methylene]-4-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6,7-dicarbonitrile

Guidance literature:: With potassium carbonate; In N,N-dimethyl-formamide; at 20 ℃; for 24h;
DOI:10.3987/COM-10-12128

Reference yield:

: 104-47-2
p-methoxybenzylnitrile

: 1310815-74-7
(2E)-2-[cyano(4-methoxyphenyl)methylene]-4-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6,7-dicarbonitrile

Guidance literature:: Multi-step reaction with 4 steps

1: sodium hydride / 1,4-dioxane; hexane

2: N,N-dimethyl-formamide / 20 °C

3: hydrogenchloride; tin(ll) chloride / ethanol; water / 1 h / 50 °C

4: potassium carbonate / N,N-dimethyl-formamide / 24 h / 20 °C

With hydrogenchloride; sodium hydride; potassium carbonate; tin(ll) chloride; In 1,4-dioxane; ethanol; hexane; water; N,N-dimethyl-formamide;
DOI:10.3987/COM-10-12128

Reference yield:

: 1310815-67-8
ethyl (2E)-3-cyano-2-(4,5-dicyano-2-nitrophenoxy)-3-(4-methoxyphenyl)acrylate

: 1310815-74-7
(2E)-2-[cyano(4-methoxyphenyl)methylene]-4-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6,7-dicarbonitrile

Guidance literature:: Multi-step reaction with 2 steps

1: hydrogenchloride; tin(ll) chloride / ethanol; water / 1 h / 50 °C

2: potassium carbonate / N,N-dimethyl-formamide / 24 h / 20 °C

With hydrogenchloride; potassium carbonate; tin(ll) chloride; In ethanol; water; N,N-dimethyl-formamide;
DOI:10.3987/COM-10-12128