2-ethynyl-9,9-dioctyl-9H-fluorene

Base Information

Chemical Name:2-ethynyl-9,9-dioctyl-9H-fluorene
CAS No.:521960-83-8
Molecular Formula:C31H42
Molecular Weight:414.674
Hs Code.:
DSSTox Substance ID:DTXSID20593803
Nikkaji Number:J1.457.759I
Wikidata:Q82488371

Synonyms:2-ethynyl-9,9-dioctyl-9H-fluorene;521960-83-8;2-ETHYNYL-9,9-DIOCTYLFLUORENE;9H-Fluorene, 2-ethynyl-9,9-dioctyl-;DTXSID20593803;HMVPSDYUEFBFRP-UHFFFAOYSA-N;MFCD31720556

Suppliers and Price of 2-ethynyl-9,9-dioctyl-9H-fluorene

Supply Marketing:

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

Manufacturers and distributors:

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Chemical Property of 2-ethynyl-9,9-dioctyl-9H-fluorene

Chemical Property:

XLogP3:12.3
Hydrogen Bond Donor Count:0
Hydrogen Bond Acceptor Count:0
Rotatable Bond Count:15
Exact Mass:414.328651340
Heavy Atom Count:31
Complexity:520

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:CCCCCCCCC1(C2=CC=CC=C2C3=C1C=C(C=C3)C#C)CCCCCCCC

Technology Process of 2-ethynyl-9,9-dioctyl-9H-fluorene

There total 2 articles about 2-ethynyl-9,9-dioctyl-9H-fluorene 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:

: 302554-80-9
2-bromo-9,9-dioctyl-9H-fluorene

: 521960-83-8
9,9-dioctyl-9H-fluoren-2-acetylene

Guidance literature:: Multi-step reaction with 2 steps

1: 87 percent / CuI; Pd(OAc)2PPh₃ / tetrahydrofuran; various solvent(s)

2: 76 percent / KOH; water / tetrahydrofuran; methanol / 2 h / 20 °C

With potassium hydroxide; copper(l) iodide; Pd(PPh₃)(OAc)2; water; In tetrahydrofuran; methanol;
DOI:10.1039/b208963g

Reference yield:

: 2523-42-4
2-iodo-9H-fluorene

: 521960-83-8
9,9-dioctyl-9H-fluoren-2-acetylene

Guidance literature:: Multi-step reaction with 3 steps

1: tetrabutylammomium bromide; sodium hydroxide / water; toluene / 4 h / Reflux

2: copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride; triethylamine; triphenylphosphine / 8 h / Inert atmosphere; Reflux

3: potassium carbonate / methanol / 3 h / 20 °C

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; tetrabutylammomium bromide; potassium carbonate; triethylamine; triphenylphosphine; sodium hydroxide; In methanol; water; toluene; 2: Sonogashira coupling;
DOI:10.1039/c2jm15678d