4-Methylcyclopentene

Base Information

• Chemical Name: 4-Methylcyclopentene
• CAS No.: 1759-81-5
• Molecular Formula: C6H10
• Molecular Weight: 82.1454
• Hs Code.: 2902199090
• UNII: ZR36R3G0PY
• DSSTox Substance ID: DTXSID30170043
• Nikkaji Number: J43.554F
• Mol file: 1759-81-5.mol

Synonyms:4-METHYLCYCLOPENTENE;Cyclopentene, 4-methyl-;1759-81-5;4-Methylcyclopentene.;1-Methyl-3-cyclopentene;ZR36R3G0PY;Cyclopentene,4-methyl-;UNII-ZR36R3G0PY;4-Methyl-1-cyclopentene #;DTXSID30170043;FWMRUAODTCVEQK-UHFFFAOYSA-N

Chemical Property of 4-Methylcyclopentene

Chemical Property:

• Vapor Pressure: 168mmHg at 25°C
• Melting Point: -160.85°C
• Refractive Index: 1.449
• Boiling Point: 65.7 °C at 760 mmHg
• PSA: 0.00000
• Density: 0.805 g/cm³
• LogP: 1.97250
• XLogP3: 2.2
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 82.078250319
• Heavy Atom Count: 6
• Complexity: 54.4

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1CC=CC1

Technology Process of 4-Methylcyclopentene

There total 13 articles about 4-Methylcyclopentene 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: 54.4%

cyclohexene (110-83-8) → 1-methylcyclopent-1-ene (693-89-0) + 4-methylcyclopentene (1759-81-5) + 3-methyl-1-cyclopentene (1120-62-3)

Guidance literature:

ultrastabilized Y zeolite; at 450 ℃; for 1h;

Reference yield: 19.6%

cyclohexene (110-83-8) → hexane (110-54-3) + methylenecyclopentane (1528-30-9) + methyl-cyclopentane (96-37-7) + 1-methylcyclopent-1-ene (693-89-0) + 4-methylcyclopentene (1759-81-5) + 3-methyl-1-cyclopentene (1120-62-3)

Guidance literature:

ultrastabilized pprotonic Y zeolite; In gas; at 350 ℃; for 1h; Product distribution; Kinetics; other temperatures, other products;

Reference yield:

(hex-5-en-1-yloxy)benzene (74972-56-8) → 1,5-Hexadien (592-42-7) + 1-methylcyclopent-1-ene (693-89-0) + 4-methylcyclopentene (1759-81-5) + 3-methyl-1-cyclopentene (1120-62-3) + cyclohexene (110-83-8)

Guidance literature:

In gas; under 1E-05 - 0.0001 Torr; Product distribution; Mechanism; Irradiation; radiolysis, 70 eV electron bombardment;

DOI:10.1021/ja00537a052

upstream raw materials:

bicyclo{3.1.0}hex-2-ene

3-methylcyclopentanol

(hex-5-en-1-yloxy)benzene

cyclohexene

Downstream raw materials:

1,2-epoxy-4-methyl-cyclopentane

(1S*,3S*)-3-methylcyclopentan-1-ol

3-methyl-cyclopentanone

Refernces

• 1、 -. "PROCESS FOR THE PREPARATION OF 1-METHYLCYCLOPENTANE DERIVATIVES". Page/Page column 5. . Retrieved 2012/05/04.
• 2、 Voronenkov, V. V.,Dzyuba, I. B.,Kryukov, S. I.,Zhdankin, V. V.. "THE ROLE OF THE 1,2-HYDRIDE SHIFT IN THE ISOMERIZATION PROCESSES OF CYCLOALKYL CARBOCATIONS". . p. 2236 - 2238. Retrieved 2007/10/02.