1-Methyl-4-methylenecyclohexane.

Base Information

• Chemical Name: 1-Methyl-4-methylenecyclohexane.
• CAS No.: 2808-80-2
• Molecular Formula: C8H14
• Molecular Weight: 110.199
• Mol file: 2808-80-2.mol

Synonyms:1-Methyl-4-methylenecyclohexane;Cyclohexane, 1-methyl-4-methylene-;1-Methyl-4-methylen-cyclohexan;1-Methylene-4-methylcyclohexane;4-methyl-1-methylidenecyclohexane;Cyclohexane,1-methyl-4-methylene;

Chemical Property of 1-Methyl-4-methylenecyclohexane.

Chemical Property:

• Vapor Pressure: 17.1mmHg at 25°C
• Refractive Index: 1.4465
• Boiling Point: 122oC at 760 mmHg
• Flash Point: 12.5oC
• PSA: 0.00000
• Density: 0.8g/cm3
• LogP: 2.75270

Purity/Quality:

99% ^*data from raw suppliers

1-Methyl-4-methylidenecyclohexane >95% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1-Methyl-4-methylenecyclohexane.

There total 30 articles about 1-Methyl-4-methylenecyclohexane. 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%

tert.-butyl lithium (594-19-4) + (R)-(-)-(4-methylcyclohexylidene)chloromethane → bis-1,2-(4-methylcyclohexylidene)ethane (60164-97-8,77842-33-2,105228-44-2,105228-45-3,146387-84-0) + 4-methyl-1-methylidenecyclohexane (2808-80-2) + (αS)-(+)-1-(4-methylcyclohexylidene)-2,2-dimethylpropane (91296-39-8)

Guidance literature:

With N,N,N,N,-tetramethylethylenediamine; In pentane; at -100 ℃;

DOI:10.1021/jo00097a073

Reference yield:

methanol (67-56-1) → 1-methylcyclohex-1-ene (591-49-1) + 2-methyl-but-2-ene (513-35-9) + 3-methyl-2-pentene (922-61-2) + 5,5-dimethyl-1,3-hexadiene (1515-79-3) + 3,5-dimethylcyclohexene (823-17-6) + 1,2-dimethyl-cyclopropane (2511-95-7) + methyl-cyclopentane (96-37-7) + cis-1,2,3,3,-tetramethylcyclopropane (74752-93-5) + 1,3-dimethylcyclohexene (2808-76-6) + 4-methyl-1-methylidenecyclohexane (2808-80-2) + 1-methyl-2-methylene-cyclopentane (41158-41-2) + methyl cyclohexane (82166-21-0)

Guidance literature:

With HZSM-5 zeolite nanocatalyst; at 300 ℃; for 2.6h; Flow reactor;

DOI:10.1002/aoc.4133

Reference yield:

Methyltriphenylphosphonium bromide (1779-49-3) + 1-methylcyclohexan-4-one (589-92-4) → 4-methyl-1-methylidenecyclohexane (2808-80-2)

Guidance literature:

Multistep reaction; (i) NaH, DMSO, (ii) /BRN= 506746/;

DOI:10.1016/S0040-4020(01)83393-7 DOI:10.1021/jo00833a037

upstream raw materials:

(4-methylcyclohexylidene)acetic acid

(1-hydroxy-4-methyl-cyclohexyl)-acetic acid

2-(4-methylcyclohex-1-en-1-yl)acetic acid

(1-bromo-4-methyl-cyclohexyl)-acetic acid

Downstream raw materials:

1,4-Bis-trimethylsilanylmethyl-benzene

(trans-4-methyl-cyclohexyl)-acetic acid

(cis-4-methyl-cyclohexyl)-acetic acid

trans-1,4-dimethylcyclohexane