7-Hexadecyne

Base Information

• Chemical Name: 7-Hexadecyne
• CAS No.: 74685-28-2
• Molecular Formula: C₁₆H₃₀
• Molecular Weight: 222.414
• Hs Code.: 2901299090
• Mol file: 74685-28-2.mol

Synonyms:hexadec-7-yne;9-HEXADECYNE;

Chemical Property of 7-Hexadecyne

Chemical Property:

• Melting Point: 17.51°C (estimate)
• Refractive Index: 1.4414 (estimate)
• Boiling Point: 283.61°C (estimate)
• PSA: 0.00000
• Density: 0.7974 (estimate)
• LogP: 5.71080

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 7-Hexadecyne

There total 8 articles about 7-Hexadecyne 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: 89.0%

n-chlorooctane (111-85-3) + n-octyne (629-05-0) → hexadec-7-yne (74685-28-2)

Guidance literature:

With copper(l) iodide; C₁₆H₂₂ClN₃Ni; tetra-(n-butyl)ammonium iodide; caesium carbonate; In 1,4-dioxane; at 140 ℃; for 16h; Inert atmosphere;

DOI:10.1021/ja906040t

Reference yield: 84.0%

hexadec-7-yn-1-ol (822-21-9) → hexadec-7-yne (74685-28-2)

Guidance literature:

With [ruthenium(II)(η⁶-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]₂; 1,2-bis(dimethylphosphanyl)ethane; potassium tert-butylate; hydrazine hydrate; dimethyl sulfoxide; In tert-butyl alcohol; at 100 ℃; for 12h; Inert atmosphere; Sealed tube;

DOI:10.1021/jacs.6b02344

Reference yield: 83.0%

1-bromo-octane (111-83-1) + n-octyne (629-05-0) → hexadec-7-yne (74685-28-2)

Guidance literature:

n-octyne; With n-butyllithium; In tetrahydrofuran; hexane; at 0 ℃;

1-bromo-octane; In tetrahydrofuran; hexane; for 68h; Heating;

DOI:10.1021/ma0111111

upstream raw materials:

lithium derivative from 1-decyne

Hexyl-bis-((1R,2S,3R,5R)-2,6,6-trimethyl-bicyclo[3.1.1]hept-3-yl)-borane

1-bromo-octane

n-octyne

Refernces

• 1、 Jin, Liqun,Hao, Wangfang,Xu, Jianeng,Sun, Nan,Hu, Baoxiang,Shen, Zhenlu,Mo, Weimin,Hu, Xinquan. "N-Heterocyclic carbene copper-catalyzed direct alkylation of terminal alkynes with non-activated alkyl triflates". supporting information. p. 4124 - 4127. Retrieved 2017/04/13.
• 2、 Pérez García, Pablo M.,Ren, Peng,Scopelliti, Rosario,Hu, Xile. "Nickel-catalyzed direct alkylation of terminal alkynes at room temperature: A hemilabile pincer ligand enhances catalytic activity". . p. 1164 - 1171. Retrieved 2015/04/21.