TRANS-3,4-DIMETHYL-2-PENTENE

Base Information

• Chemical Name: TRANS-3,4-DIMETHYL-2-PENTENE
• CAS No.: 4914-92-5
• Molecular Formula: C7H14
• Molecular Weight: 98.1882
• Mol file: 4914-92-5.mol

Synonyms:2-Pentene,3,4-dimethyl-, (E)- (8CI); (E)-2,3-Dimethyl-3-pentene;(E)-3,4-Dimethyl-2-pentene; 3,4-Dimethyl-trans-2-pentene; NSC 74141;trans-3,4-Dimethyl-2-pentene

Chemical Property of TRANS-3,4-DIMETHYL-2-PENTENE

Chemical Property:

• Melting Point: -124.23°C
• Refractive Index: 1.4120-1.4140
• Boiling Point: 87.4°Cat760mmHg
• Flash Point: °C
• PSA: 0.00000
• Density: 0.712g/cm³
• LogP: 2.60860

Purity/Quality:

98%,99%, ^*data from raw suppliers

cis-3,4-Dimethyl-2-pentene ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of TRANS-3,4-DIMETHYL-2-PENTENE

There total 5 articles about TRANS-3,4-DIMETHYL-2-PENTENE 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: 87.9%

1-Diazo-2,2,3-trimethyl-butane → (Z)-3,4-dimethyl-2-pentene (4914-91-4) + (E)-3,4-dimethyl-2-pentene (4914-92-5) + 2,2,3,3-tetramethylcyclopropane (4127-47-3) + 1-methyl-1-(2-propyl)cyclopropane (13150-79-3)

Guidance literature:

In diethylene glycol dimethyl ether; at 160 ℃; Further byproducts given;

DOI:10.1016/S0040-4039(00)87289-5

Reference yield: 87.9%

1-Diazo-2,2,3-trimethyl-butane → (E)-3,4-dimethyl-2-pentene (4914-92-5) + 2,4-dimethyl-2-pentene (625-65-0) + 2,2,3,3-tetramethylcyclopropane (4127-47-3) + 1-methyl-1-(2-propyl)cyclopropane (13150-79-3)

Guidance literature:

In diethylene glycol dimethyl ether; at 160 ℃; Further byproducts given;

DOI:10.1016/S0040-4039(00)87289-5

Reference yield:

3,4-dimethyl-penta-1,2-diene (7417-49-4) → 3,4-dimethylpent-1-ene (7385-78-6) + 2,3-dimethyl pentane (565-59-3) + (Z)-3,4-dimethyl-2-pentene (4914-91-4) + (E)-3,4-dimethyl-2-pentene (4914-92-5)

Guidance literature:

With hydrogen; palladium on barium sulfate;

upstream raw materials:

3,4-dimethyl-penta-1,2-diene

2,3-dimethyl pentane

(Z)-3,4-dimethyl-2-pentene

Downstream raw materials:

2,3,5,6-tetrafluoro-1,4-benzenediol

Refernces

• 1、 Deslauriers, Helene,Collin, Guy J.. "Isomerisation des radicaux insatures. III. Radicaux α,α,β-, α,β,γ- et α,α,γ-trimethallyles". . p. 3168 - 3173. Retrieved 2007/10/02.