3-Methylheneicosane

Base Information

• Chemical Name: 3-Methylheneicosane
• CAS No.: 6418-47-9
• Molecular Formula: C22H46
• Molecular Weight: 310.607
• Mol file: 6418-47-9.mol

Synonyms:3-Methyl-n-heneicosane;3-Methylheneicosane; 3-Methyluneicosane

Chemical Property of 3-Methylheneicosane

Chemical Property:

• Vapor Pressure: 1.01E-05mmHg at 25°C
• Melting Point: 29°C (estimate)
• Refractive Index: 1.4384 (estimate)
• Boiling Point: 382.8°Cat760mmHg
• Flash Point: 145°C
• PSA: 0.00000
• Density: 0.792g/cm³
• LogP: 8.68410

Purity/Quality:

99%, ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 3-Methylheneicosane

There total 6 articles about 3-Methylheneicosane 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:

10-Undecen-1-ol (112-43-6) → 3-methyl-heneicosane (6418-47-9)

Guidance literature:

Multi-step reaction with 4 steps

1: pyridine / 12 h / 0 °C

2: NaI / acetone / 1.) reflux, 1.5 h, 2.) 20 deg C, 48 h

3: 1.) CuI, 2,2'-biphenyl / 1.) THF, 2 deg C, 10 min, 2.) THF, a) 2 deg C, 2 h, b) 20 deg C, 12 h

4: 1.) AlEt₃, Cp₂ZrCl₂, 2.) Ni(acac)2, PPh₃, i-Bu₂AlH / 1.) RT, 10 h, 2.) RT, 10 h

With pyridine; bis(acetylacetonate)nickel(II); copper(l) iodide; zirconocene dichloride; biphenyl; triethylaluminum; diisobutylaluminium hydride; triphenylphosphine; sodium iodide; In acetone;

DOI:10.1007/BF00630661

Reference yield:

10-undecen-1-yl p-toluenesulfonate (51148-67-5) → 3-methyl-heneicosane (6418-47-9)

Guidance literature:

Multi-step reaction with 3 steps

1: NaI / acetone / 1.) reflux, 1.5 h, 2.) 20 deg C, 48 h

2: 1.) CuI, 2,2'-biphenyl / 1.) THF, 2 deg C, 10 min, 2.) THF, a) 2 deg C, 2 h, b) 20 deg C, 12 h

3: 1.) AlEt₃, Cp₂ZrCl₂, 2.) Ni(acac)2, PPh₃, i-Bu₂AlH / 1.) RT, 10 h, 2.) RT, 10 h

With bis(acetylacetonate)nickel(II); copper(l) iodide; zirconocene dichloride; biphenyl; triethylaluminum; diisobutylaluminium hydride; triphenylphosphine; sodium iodide; In acetone;

DOI:10.1007/BF00630661

Reference yield:

1-iodo-10-undecene (7766-49-6) → 3-methyl-heneicosane (6418-47-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 1.) CuI, 2,2'-biphenyl / 1.) THF, 2 deg C, 10 min, 2.) THF, a) 2 deg C, 2 h, b) 20 deg C, 12 h

2: 1.) AlEt₃, Cp₂ZrCl₂, 2.) Ni(acac)2, PPh₃, i-Bu₂AlH / 1.) RT, 10 h, 2.) RT, 10 h

With bis(acetylacetonate)nickel(II); copper(l) iodide; zirconocene dichloride; biphenyl; triethylaluminum; diisobutylaluminium hydride; triphenylphosphine;

DOI:10.1007/BF00630661

upstream raw materials:

1-octadecylmagnesium bromide

butanone

chloroethylene

1-Eicosene

Refernces