5,6,11,12,-tetrahydro-2,3,8,9-tetramethyldibenzocyclooctatetraene

Base Information

Chemical Name:5,6,11,12,-tetrahydro-2,3,8,9-tetramethyldibenzocyclooctatetraene
CAS No.:27742-96-7
Molecular Formula:C₂₀H₂₄
Molecular Weight:264.411
Hs Code.:

5,6,11,12,-tetrahydro-2,3,8,9-tetramethyldibenzo<a,e>cyclooctatetraene

Synonyms:5,6,11,12,-tetrahydro-2,3,8,9-tetramethyldibenzocyclooctatetraene

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 5,6,11,12,-tetrahydro-2,3,8,9-tetramethyldibenzocyclooctatetraene

Chemical Property:

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Technology Process of 5,6,11,12,-tetrahydro-2,3,8,9-tetramethyldibenzocyclooctatetraene

There total 2 articles about 5,6,11,12,-tetrahydro-2,3,8,9-tetramethyldibenzocyclooctatetraene 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:

: 2362-16-5
1,2-bis(chloromethyl)-4,5-dimethylbenzene

: 95-47-6
o-xylene

: 27742-96-7
5,6,11,12,-tetrahydro-2,3,8,9-tetramethyldibenzocyclooctatetraene

: 18779-88-9
1,1'-(1,2-ethanediyl)bis-(2,4,5-trimethylbenzene)

Guidance literature:: With tris(ammonia)chromium tricarbonyl; In 1,4-dioxane; at 101 ℃; for 3.5h; Title compound not separated from byproducts;

Reference yield:

: 2362-16-5
1,2-bis(chloromethyl)-4,5-dimethylbenzene

: 27742-96-7
5,6,11,12,-tetrahydro-2,3,8,9-tetramethyldibenzocyclooctatetraene

: 18779-88-9
1,1'-(1,2-ethanediyl)bis-(2,4,5-trimethylbenzene)

Guidance literature:: With tris(ammonia)chromium tricarbonyl; In 1,4-dioxane; at 101 ℃; for 3.5h; Title compound not separated from byproducts;

Reference yield:

: 27742-96-7
5,6,11,12,-tetrahydro-2,3,8,9-tetramethyldibenzocyclooctatetraene

: 52145-28-5
1,2-bis(pentamethylphenyl)ethane

Guidance literature:: Multi-step reaction with 9 steps

1: 60 percent / stannic chloride / CH₂Cl₂ / 1.) 0 deg C, 4 h, 2.) room temperature, 2 d

2: 100 percent / sodium borohydride / methanol; benzene / 2 h / Ambient temperature

3: 100 percent / thionyl chloride, pyridine / benzene / 1.) room temperature, 2 h, 2.) reflux, 1 h

4: 40 percent / 700 °C / 0.01 Torr

5: 98 percent / stannic chloride / CH₂Cl₂ / 1.) 0 deg C, 5 h, 2.) room temperature, 8 h

6: 96 percent / lithium aluminium hydride / diethyl ether / 20 h / Ambient temperature

7: 93 percent / thionyl chloride, pyridine / 1.) room temperature, 21 h, 2.) reflux, 1 h

8: 57 percent / 650 °C / 0.01 Torr

9: 7 percent / lithium, ethylamine, n-propylamine / 10 h / Ambient temperature

With pyridine; propylamine; sodium tetrahydroborate; lithium aluminium tetrahydride; thionyl chloride; tin(IV) chloride; lithium; ethylamine; In methanol; diethyl ether; dichloromethane; benzene;
DOI:10.1021/ja00397a032