1,2,3,5,6-pentamethyl-4-methylidenebicyclo[3.1.0]hex-2-ene

Base Information

• Chemical Name: 1,2,3,5,6-pentamethyl-4-methylidenebicyclo[3.1.0]hex-2-ene
• CAS No.: 20055-93-0
• Molecular Formula: C₁₂H₁₈
• Molecular Weight: 162.275
• Mol file: 20055-93-0.mol

Synonyms:1,2,3,5,6-exo-Pentamethyl-4-methylenbicyclo<1,2,3,5,6-Pentamethyl-4-methylen-bicyclo<1,3,4,5,6-pentamethyl-2-methylenebicyclohex-2-en;exo-1,2,3,5,6-Pentamethyl-4-methylen-bicyclo

Chemical Property of 1,2,3,5,6-pentamethyl-4-methylidenebicyclo[3.1.0]hex-2-ene

Chemical Property:

• Vapor Pressure: 1.18mmHg at 25°C
• Melting Point: 84-86 °C
• Boiling Point: 181.1°Cat760mmHg
• Flash Point: 52.4°C
• PSA: 0.00000
• Density: 0.9g/cm³
• LogP: 3.55490

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,2,3,5,6-pentamethyl-4-methylidenebicyclo[3.1.0]hex-2-ene

There total 2 articles about 1,2,3,5,6-pentamethyl-4-methylidenebicyclo[3.1.0]hex-2-ene 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: 30.0%

1,2,3,5,6-exo-Pentamethyl-4-methylenbicyclo<3.1.0>hex-2-en (20055-93-0,20379-83-3,20746-27-4) → Hexamethylbenzene (87-85-4) + 1,2,3,4,6-pentamethyl-5-methylenecyclohexa-1,3-diene (22499-73-6) + 1,2,3,5,6-endo-Pentamethyl-4-methylenbicyclo<3.1.0>hex-2-en (20055-93-0,20379-83-3,20746-27-4)

Guidance literature:

In hexane; at -15 ℃; for 3h; Irradiation;

Reference yield:

1,2,3,5,6-endo-Pentamethyl-4-methylenbicyclo<3.1.0>hex-2-en (20055-93-0,20379-83-3,20746-27-4) → Hexamethylbenzene (87-85-4) + 1,2,3,4,6-pentamethyl-5-methylenecyclohexa-1,3-diene (22499-73-6) + 1,2,3,5,6-exo-Pentamethyl-4-methylenbicyclo<3.1.0>hex-2-en (20055-93-0,20379-83-3,20746-27-4)

Guidance literature:

In hexane; at -15 ℃; for 3h; Mechanism; Irradiation; deuterium-labelling;

Reference yield: 84.0%

1,2,3,5,6-endo-Pentamethyl-4-methylenbicyclo<3.1.0>hex-2-en (20055-93-0,20379-83-3,20746-27-4) → Hexamethylbenzene (87-85-4) + 1,2,3,4,6-pentamethyl-5-methylenecyclohexa-1,3-diene (22499-73-6)

Guidance literature:

In pentane; at -20 ℃; for 2h; Yields of byproduct given; Irradiation;

upstream raw materials:

1,2,3,5,6-exo-Pentamethyl-4-methylenbicyclo<3.1.0>hex-2-en

1,2,3,5,6-endo-Pentamethyl-4-methylenbicyclo<3.1.0>hex-2-en

Downstream raw materials:

1,2,3,4,5-pentamethyl-5-vinyl-1,3-cyclopentadiene

Hexamethylbenzene

1,2,3,4,6-pentamethyl-5-methylenecyclohexa-1,3-diene

1,2,3,5,6-exo-Pentamethyl-4-methylenbicyclo<3.1.0>hex-2-en