1,10-Dimethylidenecyclooctadecane

Base Information

• Chemical Name: 1,10-Dimethylidenecyclooctadecane
• CAS No.: 138152-02-0
• Molecular Formula: C20H36
• DSSTox Substance ID: DTXSID80576612
• Wikidata: Q82466411
• Mol file: 138152-02-0.mol

Synonyms:1,10-DIMETHYLIDENECYCLOOCTADECANE;138152-02-0;DTXSID80576612

Chemical Property of 1,10-Dimethylidenecyclooctadecane

Chemical Property:

• XLogP3: 8.5
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 276.281701148
• Heavy Atom Count: 20
• Complexity: 209

Purity/Quality:

99.90% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C=C1CCCCCCCCC(=C)CCCCCCCC1

Technology Process of 1,10-Dimethylidenecyclooctadecane

There total 2 articles about 1,10-Dimethylidenecyclooctadecane 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:

cyclooctadecane-1,10-dione (13747-10-9) + Methylenetriphenylphosphorane (19493-09-5) → 1,10-dimethylenecyclooctadecane (138152-02-0)

Guidance literature:

In tetrahydrofuran; at 25 ℃; for 50h;

DOI:10.1021/jo00028a009

Reference yield:

iodoform (75-47-8) + cyclooctadecane-1,10-dione (13747-10-9) → 1,10-dimethylenecyclooctadecane (138152-02-0) + 10-methylenecyclooctadecanone (99605-57-9)

Guidance literature:

With titanium tetrachloride; lead(II) chloride; zinc; Yield given. Multistep reaction. Yields of byproduct given; 1) THF, CH₂Cl₂, ice-bath, 15 min; 2) THF, CH₂Cl₂, rt, 24 h;

DOI:10.1021/jo930376d

upstream raw materials:

cyclooctadecane-1,10-dione

Methylenetriphenylphosphorane

iodoform