2,3-Dimethyl-2-butene

Base Information

• Chemical Name: 2,3-Dimethyl-2-butene
• CAS No.: 563-79-1
• Molecular Formula: C6H12
• Molecular Weight: 84.1613
• Hs Code.: 29012980
• European Community (EC) Number: 209-263-8
• NSC Number: 73907
• UN Number: 1993
• UNII: 7UQ4B3F5JC
• DSSTox Substance ID: DTXSID2060339
• Nikkaji Number: J1.114.538H,J6.510B
• Wikipedia: Tetramethylethylene
• Wikidata: Q55461790
• Mol file: 563-79-1.mol

Synonyms:2,3-dimethyl-2-butene;tetramethylethylene;TMEE

Chemical Property of 2,3-Dimethyl-2-butene

Chemical Property:

• Appearance/Colour: colourless liquid
• Vapor Pressure: 138mmHg at 25°C
• Melting Point: -75 °C
• Refractive Index: n20/D 1.412(lit.)
• Boiling Point: 70.92 °C at 760 mmHg
• Flash Point: 2°F
• PSA: 0.00000
• Density: 0.697 g/cm³
• LogP: 2.36260
• XLogP3: 2.9
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 84.093900383
• Heavy Atom Count: 6
• Complexity: 50.1

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s): F,Xn
• Hazard Codes: F:Flammable;;
• Statements: R11:; R65:
• Safety Statements: S16:; S33:; S62:; S9:

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Other Classes -> Aliphatics, Unsaturated
• Canonical SMILES: CC(=C(C)C)C

Technology Process of 2,3-Dimethyl-2-butene

There total 272 articles about 2,3-Dimethyl-2-butene 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: 85.0%

benzaldehyde (100-52-7) + acetone (67-64-1) → 2,3-Dimethyl-2-butene (563-79-1) + (2-methyl-1-propenyl)-benzene (768-49-0) + stilbene (588-59-0)

Guidance literature:

With tin(IV) chloride; zinc; In tetrahydrofuran; at 64 - 66 ℃; for 1h; Inert atmosphere;

DOI:10.1016/j.tetlet.2015.01.194

Reference yield: 18.0%

Spiro (37044-85-2) → 3,4-dimethylthiophene (632-15-5) + xanthene (92-83-1) + 2,3-Dimethyl-2-butene (563-79-1) + 9H-xanthene-9-thione (492-21-7) + 9,9'-bixanthene (4381-14-0) + 2,3-dimethyl-buta-1,3-diene (513-81-5)

Guidance literature:

at 240 - 260 ℃; for 0.333333h; Product distribution;

Reference yield:

2-bromo-2,3-dimethyl-3-nitroso-butane (57366-30-0) + water (7732-18-5) → 2,3-Dimethyl-2-butene (563-79-1) + hydrogen bromide (10035-10-6,12258-64-9) + cis-nitrous acid (7782-77-6)

Guidance literature:

upstream raw materials:

quinoline

2-bromo-2,3-dimethylbutane

dimethylketene

phthalic anhydride

Downstream raw materials:

2-hydroperoxy-2-methoxypropane

acetone

2,3-dimethyl-2,3-epoxybutane

3,3,4-trimethylpentan-2-one

Refernces

• 1、 John et al.. "". . p. 264,266. Retrieved 1979.
• 2、 Hill, Michael S.,Mahon, Mary F.,McMullin, Claire L.,Pécharman, Anne-Frédérique. "[BO2]? as a Synthon for the Generation of Boron-Centered Carbamate and Carboxylate Isosteres". . p. 13628 - 13632. Retrieved 2020.
• 3、 Miyazaki, Tetsuo,Tsuruta, Haruyuki,Fujitani, Yoshiteru,Fueki, Kenji. "Temperature Effect on Ion-Molecule Reaction of Hydrogen Transfer in γ-Irradiated 2,3-Dimehylbutane at 4 K and 77 K As Studied by Electron Spin Resonance Spectroscopy". . p. 970 - 972. Retrieved 1982.
• 4、 Werst, D. W.,Tartakovsky, E. E.,Picos, E. A.,Trifunac, A. D.. "Isomerization of Olefin Radical Cations in ZSM-5 Zeolites". . p. 10249 - 10257. Retrieved 1994.
• 5、 Berry, Donald H.,Mitstifer, Jack H.. "Formation of Molybdenum Silyl Complexes from Hydrides by Net Silylene Transfer: Evidence for a Radical Chain Mechanism". . p. 3777 - 3778. Retrieved 1987.
• 6、 Hartman, Tomá?,Reisnerová, Martina,Chudoba, Josef,Svobodová, Eva,Archipowa, Nataliya,Kutta, Roger Jan,Cibulka, Radek. "Photocatalytic Oxidative [2+2] Cycloelimination Reactions with Flavinium Salts: Mechanistic Study and Influence of the Catalyst Structure". . p. 373 - 386. Retrieved 2021/02/01.
• 7、 Eyselein, Jonathan,F?rber, Christian,Grams, Samuel,Harder, Sjoerd,Knüpfer, Christian,Langer, Jens,Martin, Johannes,Thum, Katharina,Wiesinger, Michael. "Highly Active Superbulky Alkaline Earth Metal Amide Catalysts for Hydrogenation of Challenging Alkenes and Aromatic Rings". supporting information. p. 9102 - 9112. Retrieved 2020/03/30.