4,5-Dimethyl-o-benzoquinone

Base Information

• Chemical Name: 4,5-Dimethyl-o-benzoquinone
• CAS No.: 4370-50-7
• Molecular Formula: C8H8 O2
• Molecular Weight: 136.15
• Mol file: 4370-50-7.mol

Synonyms:o-Benzoquinone,4,5-dimethyl- (7CI,8CI); 4,5-Dimethyl-1,2-benzoquinone;4,5-Dimethyl-o-benzoquinone; 4,5-Xylo-o-quinone

Chemical Property of 4,5-Dimethyl-o-benzoquinone

Chemical Property:

• PSA: 34.14000
• LogP: 1.03080

Purity/Quality:

99%min ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4,5-Dimethyl-o-benzoquinone

There total 10 articles about 4,5-Dimethyl-o-benzoquinone 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: 51.0%

3,4-Dimethylphenol (95-65-8) → 4,5-dimethyl-[1,2]benzoquinone (4370-50-7)

Guidance literature:

With potassium dihydrogenphosphate; K₄(ON(SO₃)2)2; In water; at 5 ℃; for 1h;

DOI:10.1021/ja00288a035

Reference yield:

4,5-dimethylbenzene-1,2-diol (2785-74-2) → 4,5-dimethyl-[1,2]benzoquinone (4370-50-7)

Guidance literature:

With silver(l) oxide;

Reference yield:

3,4-Dimethylphenol (95-65-8) → 4,5-dimethyl-[1,2]benzoquinone (4370-50-7) + 3,4-dimethyl-1,2-benzoquinone (4542-65-8)

Guidance literature:

With 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione; In d₇-N,N-dimethylformamide; at 0 ℃; for 1.5h;

DOI:10.1021/ol0523749

upstream raw materials:

3,4-Dimethylphenol

4,5-dimethylbenzene-1,2-diol

2-amino-4,5-dimethylphenol

sulfuric acid

Downstream raw materials:

(+/-)-8,9-dimethyl-(3at,7at)-3a,4,7,7a-tetrahydro-1H-4r,7c-etheno-indene-5,6-dione

2,3-dimethylphenazine

4,5-dimethylbenzene-1,2-diol

4,5-dimethyl-3-phenylsulfanyl-pyrocatechol

Refernces

• 1、 Nemoto, Hiroyuki,Nishiyama, Tsuyoshi,Akai, Shuji. "Nucleophilic deoxyfluorination of catechols". supporting information; experimental part. p. 2714 - 2717. Retrieved 2011/06/28.
• 2、 -. "Method for dyeing keratinous fibres using an aminoindole in combination with a quinone derivative". . . Retrieved 2008/06/13.