1-methyl-4-(prop-1-en-2-yl)cyclohexa-1,4-diene

Base Information

• Chemical Name: 1-methyl-4-(prop-1-en-2-yl)cyclohexa-1,4-diene
• CAS No.: 28233-65-0
• Molecular Formula: C10H14
• Molecular Weight: 134.221
• Mol file: 28233-65-0.mol

Synonyms:

Chemical Property of 1-methyl-4-(prop-1-en-2-yl)cyclohexa-1,4-diene

Chemical Property:

• Vapor Pressure: 0.66mmHg at 25°C

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1-methyl-4-(prop-1-en-2-yl)cyclohexa-1,4-diene

There total 10 articles about 1-methyl-4-(prop-1-en-2-yl)cyclohexa-1,4-diene 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: 36.0%

2,2,6-trimethyl-1-oxa-spira[2.5]oct-ene (4584-23-0) → 1-methyl-4-isopropenylbenzene (1195-32-0) + p-cymene-8-ol (1197-01-9) + 4-methyl-1-isopropenylcyclohex-3-en-1-ol (3419-02-1) + 1-isopropenyl-4-methyl-1,4-cyclohexadiene (28233-65-0)

Guidance literature:

With perchloric acid; In diethyl ether; at 25 ℃; for 1h; Further byproducts given;

Reference yield: 34.0%

2,2,6-trimethyl-1-oxa-spira[2.5]oct-ene (4584-23-0) → 1-methyl-4-isopropenylbenzene (1195-32-0) + p-cymene-8-ol (1197-01-9) + 4-methylisopropylbenzene (99-87-6) + 4-methyl-1-isopropenylcyclohex-3-en-1-ol (3419-02-1) + 2,2,5-trimethylcyclohept-4-en-1-one (19822-67-4) + 1-isopropenyl-4-methyl-1,4-cyclohexadiene (28233-65-0)

Guidance literature:

With perchloric acid; In diethyl ether; at 25 ℃; for 1h; Product distribution; further solvents: acetone, benzene; further acid catalysts: PTS, BF₃, Dowex H⁺, ZnBr₂, AlCl₃;

Reference yield:

2,2,6-trimethyl-1-oxa-spira[2.5]oct-ene (4584-23-0) → 1-methyl-4-isopropenylbenzene (1195-32-0) + p-cymene-8-ol (1197-01-9) + 4-methylisopropylbenzene (99-87-6) + 1-isopropenyl-4-methyl-1,4-cyclohexadiene (28233-65-0)

Guidance literature:

With potassium tert-butylate; In tetrahydrofuran; at 66 ℃; for 7.5h; Further byproducts given. Title compound not separated from byproducts;

upstream raw materials:

methyl 4-methylcyclohexa-1,4-dien-1-yl ketone

4-methyl-1-isopropenylcyclohex-3-en-1-ol

acetic acid p-mentha-1,8-dien-4-yl ester

2,2,6-trimethyl-1-oxa-spira[2.5]oct-ene

Refernces

• 1、 Roy, Animesh,Gurudutt, K. N.,Rao, Sanjay. "Base-catalysed rearrangement of p-menth-1-en-4(8)-oxide". . p. 636 - 638. Retrieved 2007/10/03.