3,7,7-trimethylbicyclo[4.1.0]hept-3-ene-2,5-dione

Base Information

• Chemical Name: 3,7,7-trimethylbicyclo[4.1.0]hept-3-ene-2,5-dione
• CAS No.: 67670-71-7
• Molecular Formula: C₁₀H₁₂O₂
• Molecular Weight: 164.204
• Mol file: 67670-71-7.mol

Synonyms:

Chemical Property of 3,7,7-trimethylbicyclo[4.1.0]hept-3-ene-2,5-dione

Chemical Property:

• Vapor Pressure: 0.0174mmHg at 25°C
• Boiling Point: 254.3°Cat760mmHg
• Flash Point: 93.6°C
• Density: 1.11g/cm³

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 3,7,7-trimethylbicyclo[4.1.0]hept-3-ene-2,5-dione

There total 2 articles about 3,7,7-trimethylbicyclo[4.1.0]hept-3-ene-2,5-dione 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:

3-carene (13466-78-9,19079-29-9) → p-cymene-8-ol (1197-01-9) + 3,7,7-trimethylbicyclo(4,1,0)hept-3-en-5-one (81800-50-2) + terpineol (98-55-5,2438-12-2) + 8-hydroxy-m-cymene (5208-37-7) + (+/-)-Car-3-ene-2,5-dione (67670-71-7,67670-72-8,6617-34-1) + 3,7,7-trimethyl-bicyclo[4.1.0]-3-hepten-2-one (107493-44-7)

Guidance literature:

With oxygen; acetic acid; sodium bromide; cobalt(II) acetate; manganese(II) acetate; at 53 ℃; for 5.5h; Product distribution; other catalytic systems, temperatures and reaction times;

DOI:10.1007/BF00630310

Reference yield:

3-carene (13466-78-9,19079-29-9) → 3,4-epoxycarane (2225-98-1) + 3,7,7-trimethylbicyclo(4,1,0)hept-3-en-5-one (81800-50-2) + (+/-)-Car-3-ene-2,5-dione (67670-71-7,67670-72-8,6617-34-1)

Guidance literature:

With oxygen; chromium trioxide-pyridine complex; at 25 ℃; for 22h;

DOI:10.1016/S0040-4020(97)10319-2

Reference yield:

(+/-)-Car-3-ene-2,5-dione (67670-71-7,67670-72-8,6617-34-1) → 2-Methyl-6-isopropylhydrochinon-diacetat (27468-27-5)

Guidance literature:

Multi-step reaction with 2 steps

1: H₂SO₄

2: H₂ / Pd-C / ethanol

With sulfuric acid; hydrogen; palladium on activated charcoal; In ethanol;

DOI:10.1139/v70-167

upstream raw materials:

3-carene

Downstream raw materials:

2-Methyl-6-isopropenylhydrochinon-diacetat

2-Methyl-6-isopropylhydrochinon-diacetat

Refernces

• 1、 Vyglazov, O. G.,Manukov, E. N.,Fedorishcheva, M. N.,Ariko, N. G.,Chuiko, V. A.,Bazhina, G. N.. "PRODUCTS OF THE CATALYTIC LIQUID-PHASE OXIDATION OF 3-CARENE". . p. 283 - 287. Retrieved 2007/10/02.