1-(4-bromobenzyl)-2,7-dioxo-1-azaspiro[3.5]nona-5,8-diene-3-carbonitrile

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Chemical Name:1-(4-bromobenzyl)-2,7-dioxo-1-azaspiro[3.5]nona-5,8-diene-3-carbonitrile
CAS No.:1613063-85-6
Molecular Formula:C₁₆H₁₁BrN₂O₂
Molecular Weight:343.18
Hs Code.:

Synonyms:1-(4-bromobenzyl)-2,7-dioxo-1-azaspiro[3.5]nona-5,8-diene-3-carbonitrile

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Chemical Property of 1-(4-bromobenzyl)-2,7-dioxo-1-azaspiro[3.5]nona-5,8-diene-3-carbonitrile

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Technology Process of 1-(4-bromobenzyl)-2,7-dioxo-1-azaspiro[3.5]nona-5,8-diene-3-carbonitrile

There total 5 articles about 1-(4-bromobenzyl)-2,7-dioxo-1-azaspiro[3.5]nona-5,8-diene-3-carbonitrile 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: 84.0%

: 1613063-53-8
N-(4-bromobenzyl)-2-cyano-N-(4-hydroxyphenyl)acetamide

: 1613063-85-6
1-(4-bromobenzyl)-2,7-dioxo-1-azaspiro[3.5]nona-5,8-diene-3-carbonitrile

Guidance literature:: N-(4-bromobenzyl)-2-cyano-N-(4-hydroxyphenyl)acetamide; With potassium hydroxide; In ethanol; at 20 ℃; for 0.5h; Inert atmosphere;

With [bis(acetoxy)iodo]benzene; In ethanol; at 20 ℃; for 2h; Inert atmosphere;
DOI:10.1016/j.tet.2014.05.008

Reference yield:

: 665015-09-8
C₁₃H₁₂BrNO

: 1613063-85-6
1-(4-bromobenzyl)-2,7-dioxo-1-azaspiro[3.5]nona-5,8-diene-3-carbonitrile

Guidance literature:: Multi-step reaction with 2 steps

1.1: dmap; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide / acetonitrile / 2 h / 0 - 20 °C

2.1: potassium hydroxide / ethanol / 0.5 h / 20 °C / Inert atmosphere

2.2: 2 h / 20 °C / Inert atmosphere

With dmap; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; potassium hydroxide; In ethanol; acetonitrile;
DOI:10.1016/j.tet.2014.05.008

Reference yield:

: 123-30-8
4-amino-phenol

: 1613063-85-6
1-(4-bromobenzyl)-2,7-dioxo-1-azaspiro[3.5]nona-5,8-diene-3-carbonitrile

Guidance literature:: Multi-step reaction with 4 steps

1.1: methanol / 3 h / Reflux

2.1: sodium tetrahydroborate / methanol / 1 h / 20 °C

3.1: dmap; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide / acetonitrile / 2 h / 0 - 20 °C

4.1: potassium hydroxide / ethanol / 0.5 h / 20 °C / Inert atmosphere

4.2: 2 h / 20 °C / Inert atmosphere

With dmap; sodium tetrahydroborate; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; potassium hydroxide; In methanol; ethanol; acetonitrile;
DOI:10.1016/j.tet.2014.05.008