methylidenecycloheptane

Base Information

• Chemical Name: methylidenecycloheptane
• CAS No.: 2505-03-5
• Molecular Formula: C8H14
• Molecular Weight: 110.199
• Mol file: 2505-03-5.mol

Synonyms:Methylenecycloheptane

Chemical Property of methylidenecycloheptane

Chemical Property:

• Vapor Pressure: 8.6mmHg at 25°C
• Boiling Point: 137.8°Cat760mmHg
• Flash Point: 20°C
• PSA: 0.00000
• Density: 0.8g/cm³
• LogP: 2.89680

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of methylidenecycloheptane

There total 16 articles about methylidenecycloheptane 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: 63.0%

1-ethynylcycloheptanol (2809-78-1) + benzoic acid (65-85-0,8013-63-6) → methylenecycloheptane (2505-03-5) + 1-acetyl-cycloheptyl benzoate (1241573-33-0)

Guidance literature:

With trans-[RuCl2(η3:η3-2,7-dimethylocta-2,6-diene-1,8-diyl)(PPh3)]; In water; at 60 ℃; for 24h; Sealed tube; Inert atmosphere;

DOI:10.1021/om1010325

Reference yield:

cis-Cyclooctene (931-88-4,931-87-3,25267-51-0) → oct-1-ene (111-66-0,25068-25-1) + (E)-cyclooctene (931-89-5,25267-51-0) + methylenecycloheptane (2505-03-5) + cis-octahydro-pentalene (1755-05-1) + cis-bicyclo<5.1.0>octane (16526-90-2)

Guidance literature:

Product distribution; Mechanism; Irradiation; yields in pentane or methanol;

Reference yield:

cycloheptylmethanol (4448-75-3) → cis-Cyclooctene (931-88-4,931-87-3,25267-51-0) + methylenecycloheptane (2505-03-5)

Guidance literature:

at 250 ℃;

upstream raw materials:

acetic acid-(1-methyl-cycloheptyl ester)

acetic acid cycloheptylmethyl ester

1-methylcycloheptanol

cis-Cyclooctene

Downstream raw materials:

1-(bromomethyl)cycloheptane

1-hydroxycycloheptanecarboxylic acid

cycloheptanone

3-phenyl-1-oxa-2-aza-spiro[4.6]undec-2-ene

Refernces

• 1、 Cadierno, Victorio,Francos, Javier,Gimeno, Jose. "Ruthenium(IV)-catalyzed markovnikov addition of carboxylic acids to terminal alkynes in aqueous medium". experimental part. p. 852 - 862. Retrieved 2011/04/15.
• 2、 Kantorowski, Eric J.,Borhan, Babak,Nazarian, Saman,Kurth, Mark J.. "Cyclopropylcarbinyl radical-mediated ring expansion to seven-membered carbocycles". . p. 2483 - 2486. Retrieved 2007/10/03.