6-ethyl-1,4,5,7,8-pentahydroxynaphthalene-2,3-dione

Base Information

• Chemical Name: 6-ethyl-1,4,5,7,8-pentahydroxynaphthalene-2,3-dione
• CAS No.: 1471-96-1
• Molecular Formula: C12H10 O7
• Molecular Weight: 266.207
• Mol file: 1471-96-1.mol

Synonyms:1,4-Naphthoquinone,6-ethyl-2,3,5,7,8-pentahydroxy- (6CI,7CI,8CI);6-Ethyl-2,3,5,7,8-pentahydroxy-1,4-naphthoquinone;6-Ethyl-2,3,7-trihydroxynaphthazarin; Echinochrome; Echinochrome A; NSC 291291

Chemical Property of 6-ethyl-1,4,5,7,8-pentahydroxynaphthalene-2,3-dione

Chemical Property:

• Vapor Pressure: 0.0971mmHg at 25°C
• Boiling Point: 197.3°C at 760 mmHg
• Flash Point: 87.4°C
• Density: 1.86g/cm³

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 6-ethyl-1,4,5,7,8-pentahydroxynaphthalene-2,3-dione

There total 13 articles about 6-ethyl-1,4,5,7,8-pentahydroxynaphthalene-2,3-dione 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: 81.0%

3-amino-7-ethyl-2,5,6,8-tetrahydroxy-1,4-dihydronaphthlene-1,4-dione (866365-79-9) → echinochrome A (1471-96-1)

Guidance literature:

With formic acid; sulfuric acid; dimethyl sulfoxide; In water; for 0.166667h; Reflux;

DOI:10.1016/j.tetlet.2016.06.056

Reference yield: 80.0%

5,8-dihydroxy-2,3,6-trimethoxy-7-ethyl-1,4-naphthoquinone (15012-61-0) → echinochrome A (1471-96-1)

Guidance literature:

With hydrogen bromide; acetic acid; for 9h; Heating;

DOI:10.1007/s10600-008-0026-8

Reference yield:

2-Ethyl-3-hydroxy-5,6,7,8-tetramethoxy-[1,4]naphthoquinone (2044-49-7) → echinochrome A (1471-96-1)

Guidance literature:

With hydrogen bromide;

DOI:10.1039/jr9650002141

upstream raw materials:

2-Ethyl-3-hydroxy-5,6,7,8-tetramethoxy-[1,4]naphthoquinone

1,2,3,4-tetramethoxybenzene

5-hydroxy-6,7-dimethoxy-1-tetralone

2-hydroxy-5,6,7,8-tetramethoxy-1,4-naphthoquinone

Downstream raw materials:

Cumene hydroperoxide

3-ethyl-2,5-dihydroxycyclohexa-2,5-diene-1,4-dione