6-(4-chloro-phenylazo)-5,7-dihydroxy-2,4-dioxo-1,2,3,4-tetrahydro-quinazoline-8-carbonitrile

Base Information

Chemical Name:6-(4-chloro-phenylazo)-5,7-dihydroxy-2,4-dioxo-1,2,3,4-tetrahydro-quinazoline-8-carbonitrile
CAS No.:868172-24-1
Molecular Formula:C₁₅H₈ClN₅O₄
Molecular Weight:357.713
Hs Code.:

Synonyms:6-(4-chloro-phenylazo)-5,7-dihydroxy-2,4-dioxo-1,2,3,4-tetrahydro-quinazoline-8-carbonitrile

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Chemical Property of 6-(4-chloro-phenylazo)-5,7-dihydroxy-2,4-dioxo-1,2,3,4-tetrahydro-quinazoline-8-carbonitrile

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Technology Process of 6-(4-chloro-phenylazo)-5,7-dihydroxy-2,4-dioxo-1,2,3,4-tetrahydro-quinazoline-8-carbonitrile

There total 2 articles about 6-(4-chloro-phenylazo)-5,7-dihydroxy-2,4-dioxo-1,2,3,4-tetrahydro-quinazoline-8-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: 90.0%

: 868172-20-7
5,7-dihydroxy-2,4-dioxo-1,2,3,4-tetrahydro-quinazoline-8-carbonitrile

: 106-47-8
4-chloro-aniline

: 868172-24-1
6-(4-chloro-phenylazo)-5,7-dihydroxy-2,4-dioxo-1,2,3,4-tetrahydro-quinazoline-8-carbonitrile

Guidance literature:: 4-chloro-aniline; With hydrogenchloride; sodium nitrite; at 0 ℃; for 0.166667h;

5,7-dihydroxy-2,4-dioxo-1,2,3,4-tetrahydro-quinazoline-8-carbonitrile; With sodium acetate; acetic acid; at 20 ℃; for 24h;
DOI:10.1002/jccs.200500022

Reference yield:

: 868172-15-0
8-cyano-5,7-dihydroxyquinazoline-2(1H),4(3H)-dione-6-carboxylic acid

: 868172-24-1
6-(4-chloro-phenylazo)-5,7-dihydroxy-2,4-dioxo-1,2,3,4-tetrahydro-quinazoline-8-carbonitrile

Guidance literature:: Multi-step reaction with 2 steps

1.1: 78 percent / orthophosphoric acid / 10 h / 20 °C

2.1: aq. HCl; NaNO₂ / 0.17 h / 0 °C

2.2: 90 percent / sodium acetate; aq. acetic acid / 24 h / 20 °C

With hydrogenchloride; phosphoric acid; sodium nitrite;
DOI:10.1002/jccs.200500022