1,1,4,4-Tetramethyl-2,3-tetralindione

Base Information

• Chemical Name: 1,1,4,4-Tetramethyl-2,3-tetralindione
• CAS No.: 17471-49-7
• Molecular Formula: C14H16O2
• Molecular Weight: 216.27600
• Hs Code.: 2914690090
• Mol file: 17471-49-7.mol

Synonyms:1,1',4,4'-tetramethyl-2,3-naphthalenedione;2,3-Dioxo-1,1,4,4-tetramethyl-tetralin;1,1,4,4-Tetramethyl-1,2,3,4-tetrahydronaphthalene-2,3-dione;1,1,4,4-Tetramethyl-2,3-tetralindione;1,1,4,4-Tetramethyl-1,4-dihydro-naphthalin-2,3-dion;1,1,4,4-Tetramethyl-2,3-dioxo-tetralin;2,3-Naphthalenedione,1,4-dihydro-1,1,4,4-tetramethyl;1,1,4,4-tetramethyltetralin-2,3-dione;

Chemical Property of 1,1,4,4-Tetramethyl-2,3-tetralindione

Chemical Property:

• PSA: 34.14000
• LogP: 2.39360

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,1,4,4-Tetramethyl-2,3-tetralindione

There total 8 articles about 1,1,4,4-Tetramethyl-2,3-tetralindione 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: 92.0%

1,1,4,4-Tetramethyl-1,2,3,4-tetrahydronaphthalen-2-one (6308-02-7) → 1,1,4,4-tetramethyltetralin-2,3-dione (17471-49-7)

Guidance literature:

With selenium(IV) oxide; In acetic acid; for 3h; Heating;

DOI:10.1016/S0040-4020(01)86197-4

Reference yield:

2,2,5,5-tetramethyltetrahydro-3-oxofuran (5455-94-7) → 1,1,4,4-tetramethyltetralin-2,3-dione (17471-49-7)

Guidance literature:

Multi-step reaction with 2 steps

1: 25 percent / AlCl₃ / 6 h / Heating

2: 92 percent / SeO₂

With aluminium trichloride; selenium(IV) oxide;

Reference yield:

benzene (71-43-2,26181-88-4,54682-86-9,13967-78-7,174973-66-1) → 1,1,4,4-tetramethyltetralin-2,3-dione (17471-49-7)

Guidance literature:

Multi-step reaction with 2 steps

1: 41 percent / AlCl₃ / 1.) 40 to 50 deg C, 2.) 1 h, reflux

2: 92 percent / SeO₂ / acetic acid / 3 h / Heating

With aluminium trichloride; selenium(IV) oxide; In acetic acid;

DOI:10.1016/S0040-4020(01)86197-4

upstream raw materials:

1,1,4,4-Tetramethyl-1,2,3,4-tetrahydronaphthalen-2-one

(Z)-3,3,10,10-Tetramethyl-cyclodec-6-ene-4,8-diyne-1,2-dione

2,5-dihydroxy-2,5-dimethyl-3-hexyne

2,2,5,5-tetramethyltetrahydro-3-oxofuran

Downstream raw materials:

2,2'-dimethyl-2,2'-o-phenylene-di-propionic acid

3'-(Diethoxymethylen)-1,4-dihydro-1,1,4,4-tetramethyl-2',2',2'-triphenylspiro5>oxaphosphetan>-3-on

3-Benzoyl-3-hydroxy-1,1,4,4-tetramethyl-3,4-dihydro-1H-naphthalen-2-one

Benzoic acid 1,1,4,4-tetramethyl-3-oxo-1,2,3,4-tetrahydro-naphthalen-2-yl ester

Refernces

• 1、 Brown, David W.,Mahon, Mary F.,Ninan, Aleyamma,Sainsbury, Malcolm. "Synthesis and oxidative behaviour of reduced indenoquinoxalines and benzophenazines". . p. 3117 - 3124. Retrieved 2007/10/03.
• 2、 Peijnenburg, W. J. G. M.,Buck, H. M.. "THE EFFECTS OF SUBSTITUENS AND SOLVENT POLARITY ON PHOTOCHEMICAL SIGMATROPIC SHIFTS. EXPERIMENTAL EVIDENCE IN FAVOUR OF THE OCCURRENCE OF SUDDEN POLARIZATION IN ACYCLIC ALKENES". . p. 4927 - 4940. Retrieved 2007/10/02.