4,9-dihydro-3,3-diphenyl-4,9-dioxo-3H-benzindazole

Base Information

• Chemical Name: 4,9-dihydro-3,3-diphenyl-4,9-dioxo-3H-benzindazole
• CAS No.: 123700-59-4
• Molecular Formula: C₂₃H₁₄N₂O₂
• Molecular Weight: 350.376

Synonyms:4,9-dihydro-3,3-diphenyl-4,9-dioxo-3H-benzindazole

Chemical Property of 4,9-dihydro-3,3-diphenyl-4,9-dioxo-3H-benzindazole

Chemical Property:

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Technology Process of 4,9-dihydro-3,3-diphenyl-4,9-dioxo-3H-benzindazole

There total 5 articles about 4,9-dihydro-3,3-diphenyl-4,9-dioxo-3H-benzindazole 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: 75.0%

2-chloro-1,4-naphthoquinone (1010-60-2) + diazodiphenylmethane (908093-98-1) → 4,9-dihydro-3,3-diphenyl-4,9-dioxo-3H-benzindazole (123700-59-4)

Guidance literature:

With triethylamine; In benzene; for 96h;

DOI:10.1021/jo00286a022

Reference yield:

3,3-diphenyl-3H-benzo[f]indazole-4,9-diol (13599-25-2) → 4,9-dihydro-3,3-diphenyl-4,9-dioxo-3H-benzindazole (123700-59-4)

Guidance literature:

With acetic acid; sodium nitrite;

DOI:10.1021/ja01362a024

Reference yield:

diazodiphenylmethane (908093-98-1) → 4,9-dihydro-3,3-diphenyl-4,9-dioxo-3H-benzindazole (123700-59-4)

Guidance literature:

Multi-step reaction with 2 steps

1: petroleum ether; benzene

2: NaNO₂; acetic acid

With acetic acid; Petroleum ether; sodium nitrite; benzene;

DOI:10.1021/ja01362a024

upstream raw materials:

3,3-diphenyl-3H-benzo[f]indazole-4,9-diol

2-chloro-1,4-naphthoquinone

diazodiphenylmethane

[1,4]naphthoquinone

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