pentacos-9-ene

Base Information

• Chemical Name: pentacos-9-ene
• CAS No.: 69188-47-2
• Molecular Formula: C25H50
• Molecular Weight: 350.6645
• Mol file: 69188-47-2.mol

Synonyms:

Chemical Property of pentacos-9-ene

Chemical Property:

• Vapor Pressure: 3.99E-07mmHg at 25°C

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of pentacos-9-ene

There total 8 articles about pentacos-9-ene 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: 73.0%

9-pentacosyne → (Z)-9-pentacosene (51865-00-0,69188-47-2)

Guidance literature:

With quinoline; hydrogen; palladium on barium sulfate; In hexane; at 20 ℃; for 2h; under 760 Torr;

DOI:10.1271/bbb.66.1032

Reference yield:

1-decyne (764-93-2) → (Z)-9-pentacosene (51865-00-0,69188-47-2)

Guidance literature:

Multi-step reaction with 2 steps

1.1: n-butyllithium / tetrahydrofuran; hexamethylphosphoric acid triamide / 2 h / -20 °C

1.2: 71 percent / tetrahydrofuran / 12 h / 20 °C

2.1: 73 percent / H₂; quinoline / Pd-BaSO₄ / hexane / 2 h / 20 °C / 760 Torr

With quinoline; n-butyllithium; hydrogen; palladium on barium sulfate; In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide; hexane;

DOI:10.1271/bbb.66.1032

Reference yield:

pentadecyl bromide (629-72-1) → (Z)-9-pentacosene (51865-00-0,69188-47-2)

Guidance literature:

Multi-step reaction with 2 steps

1.1: n-butyllithium / tetrahydrofuran; hexamethylphosphoric acid triamide / 2 h / -20 °C

1.2: 71 percent / tetrahydrofuran / 12 h / 20 °C

2.1: 73 percent / H₂; quinoline / Pd-BaSO₄ / hexane / 2 h / 20 °C / 760 Torr

With quinoline; n-butyllithium; hydrogen; palladium on barium sulfate; In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide; hexane;

DOI:10.1271/bbb.66.1032

upstream raw materials:

nonan-1-al

(1-hexadecyl)triphenylphosphonium bromide

1-decyne

pentadecyl bromide