1,5,6,6-Tetramethyl-3-methylidenecyclohexa-1,4-diene

Base Information

Chemical Name:1,5,6,6-Tetramethyl-3-methylidenecyclohexa-1,4-diene
CAS No.:89549-36-0
Molecular Formula:C₁₁H₁₆
Molecular Weight:148.248
Hs Code.:
DSSTox Substance ID:DTXSID50520480
Nikkaji Number:J1.059.204F
Wikidata:Q82384410

Synonyms:89549-36-0;1,5,6,6-Tetramethyl-3-methylidenecyclohexa-1,4-diene;DTXSID50520480;3-methylene-1,5,6,6-tetramethyl-1,4-cyclohexadiene

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Supply Marketing:

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

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Chemical Property of 1,5,6,6-Tetramethyl-3-methylidenecyclohexa-1,4-diene

Chemical Property:

Boiling Point:83-86 °C(Press: 15 Torr)
PSA：0.00000
Density:0.85±0.1 g/cm3(Predicted)
LogP:3.47500
XLogP3:3
Hydrogen Bond Donor Count:0
Hydrogen Bond Acceptor Count:0
Rotatable Bond Count:0
Exact Mass:148.125200510
Heavy Atom Count:11
Complexity:225

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:

Useful:

Canonical SMILES:CC1=CC(=C)C=C(C1(C)C)C

Technology Process of 1,5,6,6-Tetramethyl-3-methylidenecyclohexa-1,4-diene

There total 2 articles about 1,5,6,6-Tetramethyl-3-methylidenecyclohexa-1,4-diene 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:

: 67-56-1
methanol

: 1,2-dimethyl-4-ethyl-1,3-cyclopentadiene

: 1,4-dimethyl-2-ethyl-1,3-cyclopentadiene

: 3853-27-8
1,2,3-trimethylcyclopentadiene

: 4784-94-5
1,2,4-trimethyl-1,3-cyclopentadiene

: 25148-01-0
1-methyl-3-ethyl-1,3-cyclopentadiene

: 89549-36-0
1,1,2,6,-Tetramethyl-4-methylen-2,5-cyclohexadien

: 4045-53-8
1,3-dimethylcyclopentadiene

Guidance literature:: With zeolite H-ZSM-5 with Si/Al ratio=15; at 400 ℃; for 0.00222222h;
DOI:10.1016/j.jcat.2015.10.001

Reference yield:

: 34014-87-4
3,4,4,5-Tetramethyl-2,5-cyclohexadien-1-on

: 1779-49-3
Methyltriphenylphosphonium bromide

: 89549-36-0
1,1,2,6,-Tetramethyl-4-methylen-2,5-cyclohexadien

Guidance literature:: With n-butyllithium; Yield given. Multistep reaction; 1) ether, hexane, 30 min, room temp.; 2) ether, 14 h, reflux;

Reference yield:

: 89549-36-0
1,1,2,6,-Tetramethyl-4-methylen-2,5-cyclohexadien

: 90580-90-8
3,3',4,4,4',4',5,5'-Octamethyl-1,1'-(2,4-hexadien-6,1-diyliden)bis(2,5-cyclohexadien)

Guidance literature:: Multi-step reaction with 3 steps

1: 1) POCl₃; 2) NaClO₄ / 1) DMF, 15 min, 50 dec C

2: 87 percent / 2 N NaOH / methanol

3: 34 percent / tBuOK / toluene / 4 h / Heating

With sodium hydroxide; potassium tert-butylate; sodium perchlorate; trichlorophosphate; In methanol; toluene;