1,4-Dimethylcyclopentene

Base Information

• Chemical Name: 1,4-Dimethylcyclopentene
• CAS No.: 19550-48-2
• Molecular Formula: C7H12
• Molecular Weight: 96.1723
• European Community (EC) Number: 243-154-6
• DSSTox Substance ID: DTXSID90871302
• Nikkaji Number: J242.851B
• Mol file: 19550-48-2.mol

Synonyms:1,4-Dimethylcyclopentene;19550-48-2;EINECS 243-154-6;1,4-dimethylcyclopent-1-ene;Cyclopentene, 1,4-dimethyl-;1,4-Dimethyl-1-cyclopentene;DTXSID90871302;AKOS006272663

Chemical Property of 1,4-Dimethylcyclopentene

Chemical Property:

• Vapor Pressure: 56.8mmHg at 25°C
• Melting Point: -108.93°C (estimate)
• Refractive Index: 1.4255
• Boiling Point: 93.2°Cat760mmHg
• Flash Point: °C
• PSA: 0.00000
• Density: 0.801g/cm³
• LogP: 2.36260
• XLogP3: 2.1
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 96.093900383
• Heavy Atom Count: 7
• Complexity: 90.2

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1CC=C(C1)C

Technology Process of 1,4-Dimethylcyclopentene

There total 15 articles about 1,4-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:

acetic acid (64-19-7,77671-22-8) + 1,4-dimethylbicyclo<2.1.o>pentane (17065-18-8) → 1,3-dimethylcyclopent-1-ene (62184-82-1) + 1,4-dimethylcyclopentene (19550-48-2)

Guidance literature:

at 104.7 ℃; Kinetics; Thermodynamic data; Product distribution; ΔH(excit.), ΔS(excit.);

DOI:10.1021/ja00290a041

Reference yield:

3-methylcyclopent-3-ene-1-carboxylic acid (766-73-4,57374-07-9) → 1,4-dimethylcyclopentene (19550-48-2)

Guidance literature:

Multi-step reaction with 4 steps

1: diethyl ether

2: LiAlH₄ / diethyl ether / Heating

3: Py

4: LiAlH₄

With pyridine; lithium aluminium tetrahydride; In diethyl ether;

DOI:10.1021/ja00852a032

Reference yield:

(+)-4-Carbomethoxy-1-methylcyclopenten (80137-82-2,52148-78-4) → 1,4-dimethylcyclopentene (19550-48-2)

Guidance literature:

Multi-step reaction with 3 steps

1: LiAlH₄ / diethyl ether / Heating

2: Py

3: LiAlH₄

With pyridine; lithium aluminium tetrahydride; In diethyl ether;

DOI:10.1021/ja00852a032

upstream raw materials:

2,4-dimethyl-cyclopentanol

3-Methyl-3-cyclopentenylmethyl-p-toluolsulfonat

acetic acid

1,4-dimethylbicyclo<2.1.o>pentane

Downstream raw materials:

cis-1,3-dimethylcyclopentane

trans-1,3-dimethylcyclopentane

1,3-dimethylcyclopentane