2-[1-(2-oxo-2H-chromen-3-yl)-2-(phenyl-hydrazono)-ethylidene]-malononitrile

Base Information

Chemical Name:2-[1-(2-oxo-2H-chromen-3-yl)-2-(phenyl-hydrazono)-ethylidene]-malononitrile
CAS No.:928613-92-7
Molecular Formula:C₂₀H₁₂N₄O₂
Molecular Weight:340.341
Hs Code.:

2-[1-(2-oxo-2<i>H</i>-chromen-3-yl)-2-(phenyl-hydrazono)-ethylidene]-malononitrile

Synonyms:2-[1-(2-oxo-2H-chromen-3-yl)-2-(phenyl-hydrazono)-ethylidene]-malononitrile

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 2-[1-(2-oxo-2H-chromen-3-yl)-2-(phenyl-hydrazono)-ethylidene]-malononitrile

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Technology Process of 2-[1-(2-oxo-2H-chromen-3-yl)-2-(phenyl-hydrazono)-ethylidene]-malononitrile

There total 2 articles about 2-[1-(2-oxo-2H-chromen-3-yl)-2-(phenyl-hydrazono)-ethylidene]-malononitrile 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: 86.0%

: 100-34-5
benzene diazonium chloride

: 102353-99-1
2-cyano-3-(2-keto-2H-1-benzopyran-3-yl)-2-butene-1-nitrile

: 928613-92-7
2-[1-(2-oxo-2H-chromen-3-yl)-2-(phenyl-hydrazono)-ethylidene]-malononitrile

Guidance literature:: With sodium acetate; In acetic acid; cooling;
DOI:10.1002/jccs.200500171

Reference yield:

: 3949-36-8
3-acetylcoumarin

: 928613-92-7
2-[1-(2-oxo-2H-chromen-3-yl)-2-(phenyl-hydrazono)-ethylidene]-malononitrile

Guidance literature:: Multi-step reaction with 2 steps

1: 57 percent / acetic acid; ammonium acetate / benzene / 9 h / Heating

2: 86 percent / sodium acetate / acetic acid / cooling

With ammonium acetate; sodium acetate; acetic acid; In acetic acid; benzene; 1: Knoevenagel condensation;
DOI:10.1002/jccs.200500171