3,3-dimethylcyclopentene

Base Information

• Chemical Name: 3,3-dimethylcyclopentene
• CAS No.: 58049-91-5
• Molecular Formula: C7H12
• Molecular Weight: 96.1723
• European Community (EC) Number: 261-083-9
• UNII: VE2HJV2ESE
• DSSTox Substance ID: DTXSID70206774
• Nikkaji Number: J296.855J
• Wikidata: Q83080631
• Mol file: 58049-91-5.mol

Synonyms:3,3-Dimethylcyclopentene

Chemical Property of 3,3-dimethylcyclopentene

Chemical Property:

• Vapor Pressure: 71mmHg at 25°C
• Melting Point: -108.93°C (estimate)
• Refractive Index: 1.4200
• Boiling Point: 87.7°Cat760mmHg
• Flash Point: °C
• PSA: 0.00000
• Density: 0.798g/cm³
• LogP: 2.36260
• XLogP3: 2.8
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 96.093900383
• Heavy Atom Count: 7
• Complexity: 88.2

Purity/Quality:

99% ^*data from raw suppliers

3,3-Dimethyl-1-cyclopentene ≥95% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1(CCC=C1)C

Technology Process of 3,3-dimethylcyclopentene

There total 19 articles about 3,3-dimethylcyclopentene 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:

(E)-1-Bromo-5-methyl-hex-1-ene (110954-98-8,110955-00-5) → 5-methylhex-1-yne (2203-80-7) + 3,3-dimethylcyclopentene (58049-91-5)

Guidance literature:

With potassium tert-butylate; at 240 ℃; for 0.0166667h; Product distribution; Mechanism;

Reference yield:

C7H12(2)HBr (110954-99-9,110955-01-6) → 5-methylhex-1-yne (2203-80-7) + 3,3-dimethylcyclopentene (58049-91-5) + <1-D1>-5-methyl-1-hexyne (110881-64-6)

Guidance literature:

With potassium tert-butylate; at 240 ℃; for 0.0166667h; Product distribution; Mechanism;

Reference yield:

cycloheptanone (502-42-1) → 1-methylcyclohex-1-ene (591-49-1) + ethylcyclopentane (1640-89-7) + cycloheptane (291-64-5) + 3,3-dimethylcyclopentene (58049-91-5)

Guidance literature:

With hydrogen; aluminum oxide; K₅PV₂Mo₁₀O₄₀; at 300 ℃; for 3.5h; under 41040 Torr; Further byproducts given. Title compound not separated from byproducts;

DOI:10.1002/(SICI)1521-3773(19991115)38:22<3331::AID-ANIE3331>3.0.CO;2-Z

upstream raw materials:

2-iodo-1,1-dimethyl-cyclopentane

1-bromo-2,2-dimethylcyclopentane

2-cyclobutyl-propan-2-ol

3,3-dimethylcyclopentanol

Downstream raw materials:

2,2-dimethylglutaric acid

1,1-Dimethylcyclopentane

1,2-dimethylcyclopentane