ethyl 2-[3-(4-bromophenyl)-4,6-dimethoxy-2-methylindol-7-yl]-2-[O-(2,4-dinitrophenyl)oxyimino]acetate

Base Information

• Chemical Name: ethyl 2-[3-(4-bromophenyl)-4,6-dimethoxy-2-methylindol-7-yl]-2-[O-(2,4-dinitrophenyl)oxyimino]acetate
• CAS No.: 902772-64-9
• Molecular Formula: C₂₇H₂₃BrN₄O₉
• Molecular Weight: 627.405

Synonyms:ethyl 2-[3-(4-bromophenyl)-4,6-dimethoxy-2-methylindol-7-yl]-2-[O-(2,4-dinitrophenyl)oxyimino]acetate

Chemical Property of ethyl 2-[3-(4-bromophenyl)-4,6-dimethoxy-2-methylindol-7-yl]-2-[O-(2,4-dinitrophenyl)oxyimino]acetate

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Technology Process of ethyl 2-[3-(4-bromophenyl)-4,6-dimethoxy-2-methylindol-7-yl]-2-[O-(2,4-dinitrophenyl)oxyimino]acetate

There total 2 articles about ethyl 2-[3-(4-bromophenyl)-4,6-dimethoxy-2-methylindol-7-yl]-2-[O-(2,4-dinitrophenyl)oxyimino]acetate 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: 100.0%

ethyl 2-[3-(4-bromophenyl)-4,6-dimethoxy-2-methylindol-7-yl]-2-(hydroxyimino)acetate + 2,4-Dinitrofluorobenzene (70-34-8,65727-75-5) → ethyl 2-[3-(4-bromophenyl)-4,6-dimethoxy-2-methylindol-7-yl]-2-[O-(2,4-dinitrophenyl)oxyimino]acetate (902772-64-9)

Guidance literature:

With sodium ethanolate; In ethanol; at 20 ℃; for 0.5h;

DOI:10.1016/j.tet.2006.04.041

Reference yield:

ethyl 2-(3-(4-bromophenyl)-4,6-dimethoxy-2-methylindol-7-yl)glyoxylate (869960-03-2) → ethyl 2-[3-(4-bromophenyl)-4,6-dimethoxy-2-methylindol-7-yl]-2-[O-(2,4-dinitrophenyl)oxyimino]acetate (902772-64-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 99 percent / hydroxylamine hydrochloride; pyridine / ethanol / 16 h / Heating

2: 100 percent / NaOEt / ethanol / 0.5 h / 20 °C

With pyridine; hydroxylamine hydrochloride; sodium ethanolate; In ethanol;

DOI:10.1016/j.tet.2006.04.041

Reference yield: 21.0%

ethyl 2-[3-(4-bromophenyl)-4,6-dimethoxy-2-methylindol-7-yl]-2-[O-(2,4-dinitrophenyl)oxyimino]acetate (902772-64-9) → ethyl 5-(4-bromophenyl)-6,8-dimethoxy-4-methylpyrrolo[3,2,1-hi]indazole-1-carboxylate

Guidance literature:

With triethylamine; In tetrahydrofuran; Heating;

DOI:10.1016/j.tet.2006.04.041

upstream raw materials:

2,4-Dinitrofluorobenzene

ethyl 2-(3-(4-bromophenyl)-4,6-dimethoxy-2-methylindol-7-yl)glyoxylate

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