4--1,2-naphthoquinone

Base Information

• Chemical Name: 4--1,2-naphthoquinone
• CAS No.: 123135-50-2
• Molecular Formula: C₂₀H₂₀N₂O₂
• Molecular Weight: 320.391

Synonyms:4--1,2-naphthoquinone

Chemical Property of 4--1,2-naphthoquinone

Chemical Property:

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Technology Process of 4--1,2-naphthoquinone

There total 2 articles about 4--1,2-naphthoquinone 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: 88.0%

sodium 1,2-naphthoquinone-4-sulfonate (521-24-4) + N,N-diethylaniline (93-05-0) → 4--1,2-naphthoquinone (123135-50-2)

Guidance literature:

With nickel diacetate; In acetic acid; at 30 ℃; for 1h;

DOI:10.1039/c39890000708

Reference yield: 78.0%

sodium 1,2-naphthoquinone-4-sulfonate (521-24-4) + N,N-diethyl-1,4-phenylenediamine dihydrochloride (2198-58-5,16713-15-8,84609-46-1) → 4--1,2-naphthoquinone (123135-50-2)

Guidance literature:

With sodium acetate; acetic acid; nickel dichloride; at 20 ℃; for 3h;

DOI:10.1002/ejoc.200800606

Reference yield: 37.0%

4--1,2-naphthoquinone (123135-50-2) + benzaldehyde-4-carboxylic acid butyl ester (70986-34-4) → butyl 4-{5-[4(diethylamino)phenylamino]naphtho[1,2-d]oxazol-2-yl}benzoate (1096698-11-1)

Guidance literature:

With ammonium acetate; acetic acid; at 90 ℃; for 5h;

DOI:10.1002/ejoc.200800606

upstream raw materials:

sodium 1,2-naphthoquinone-4-sulfonate

N,N-diethylaniline

N,N-diethyl-1,4-phenylenediamine dihydrochloride

Downstream raw materials:

butyl 4-{5-[4(diethylamino)phenylamino]naphtho[1,2-d]oxazol-2-yl}benzoate

4-{5-[4(diethylamino)phenylamino]naphtho[1,2-d]oxazol-2-yl}benzoic acid

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