Naphthalene, 2,7-diethynyl

Base Information Edit

Chemical Name:Naphthalene, 2,7-diethynyl
CAS No.:113705-27-4
Molecular Formula:C14H8
Molecular Weight:176.218
Hs Code.:
Mol file:113705-27-4.mol

Synonyms:Naphthalene,2,7-diethynyl;

Suppliers and Price of Naphthalene, 2,7-diethynyl

Supply Marketing:Edit

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Total 9 raw suppliers

Chemical Property of Naphthalene, 2,7-diethynyl Edit

Chemical Property:

Boiling Point:315.2±15.0 °C(Predicted)
PSA：0.00000
Density:1.10±0.1 g/cm3(Predicted)
LogP:2.80240

Purity/Quality:: 99% ^*data from raw suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Technology Process of Naphthalene, 2,7-diethynyl

There total 5 articles about Naphthalene, 2,7-diethynyl 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: 100.0%

: 113705-17-2
2,7-bis[2-(trimethylsilyl)ethynyl]naphthalene

: 113705-27-4
2,7-diethynylnaphthalene

Guidance literature:: With sodium hydroxide; In tetrahydrofuran; water; at 20 ℃; for 2h;
DOI:10.1016/j.bmcl.2012.07.009

Reference yield:

: 58556-75-5
2,7-dibromonaphthalene

: 113705-27-4
2,7-diethynylnaphthalene

Guidance literature:: Multi-step reaction with 2 steps

1: 82 percent / (PhCN)2PdCl₂, Ph₃P, copper(II) acetate hydrate, diisopropylamine / 1.) RT, 4 h, 2.) reflux, 1 h

2: 91 percent / KOH, H₂O / methanol / 0.33 h / Ambient temperature

With potassium hydroxide; bis(benzonitrile)palladium(II) dichloride; water; copper diacetate; diisopropylamine; triphenylphosphine; In methanol;
DOI:10.1021/jo00246a018

Reference yield:

: 582-17-2
2,7-Dihydroxynaphthalene

: 113705-27-4
2,7-diethynylnaphthalene

Guidance literature:: Multi-step reaction with 3 steps

1: dmap; 2,6-dimethylpyridine / dichloromethane; tetrahydrofuran / 7.25 h / -78 - 0 °C / Molecular sieve; Inert atmosphere

2: copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; triphenylphosphine; piperidine / Molecular sieve; Inert atmosphere; Reflux

3: sodium hydroxide / tetrahydrofuran; water / 2 h / 20 °C

With piperidine; 2,6-dimethylpyridine; dmap; copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; triphenylphosphine; sodium hydroxide; In tetrahydrofuran; dichloromethane; water;
DOI:10.1016/j.bmcl.2012.07.009