1 2-DIFLUOROSTILBENE

Base Information

• Chemical Name: 1 2-DIFLUOROSTILBENE
• CAS No.: 20488-54-4
• Molecular Formula: C14H10 F2
• Molecular Weight: 216.23
• NSC Number: 42791
• Nikkaji Number: J692.400J
• Mol file: 20488-54-4.mol

Synonyms:Benzene,1,1'-(1,2-difluoro-1,2-ethenediyl)bis-, (E)-; Stilbene, a,a'-difluoro-, (E)- (8CI); (E)-a,a'-Difluorostilbene; NSC 42791;trans-1,2-Difluoro-1,2-diphenylethene; trans-a,a'-Difluorostilbene

Chemical Property of 1 2-DIFLUOROSTILBENE

Chemical Property:

• Boiling Point: 287.7°Cat760mmHg
• Flash Point: 106.2°C
• PSA: 0.00000
• Density: 1.136g/cm³
• LogP: 4.45140
• XLogP3: 4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 2
• Exact Mass: 216.07505664
• Heavy Atom Count: 16
• Complexity: 220

Purity/Quality:

99% ^*data from raw suppliers

[(E)-1,2-DIFLUORO-2-PHENYLETHENYL]BENZENE 95.00% ^*data from reagent suppliers

Safty Information:

• Statements: 36/37/38
• Safety Statements: 26-36/37/39

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C(C=C1)C(=C(C2=CC=CC=C2)F)F
• Isomeric SMILES: C1=CC=C(C=C1)/C(=C(/C2=CC=CC=C2)\F)/F

Technology Process of 1 2-DIFLUOROSTILBENE

There total 23 articles about 1 2-DIFLUOROSTILBENE 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: 92.0%

1,2-diphenyl-1,2-difluoro-1,2-dichloroethane (145693-38-5) → trans-1,2-difluoro-1,2-diphenylethylene (20488-54-4)

Guidance literature:

With pyridine; copper; at 100 ℃; for 2h;

Reference yield: 86.0%

iodobenzene (591-50-4) + (E)-(1,2-difluoro-1,2-ethenediyl) bis[tributylstannane] (293302-61-1) → trans-1,2-difluoro-1,2-diphenylethylene (20488-54-4)

Guidance literature:

With copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; N,N-dimethyl-formamide; at 20 ℃; for 2h;

DOI:10.1021/ol025686+

Reference yield: 85.0%

1,2,2-trifluorostyrene (447-14-3) + phenyleuropium iodide → trans-1,2-difluoro-1,2-diphenylethylene (20488-54-4)

Guidance literature:

In tetrahydrofuran; at 20 ℃; for 2h; Product distribution; reaction with tetrafluoroethylene; arylation of fluoroolefins by phenyl europium iodide and phenyl ytterbium iodide, prapre in situ from PhI and metallic Eu and Yb;

DOI:10.1007/BF00956185

upstream raw materials:

polytetrafluoroethylene

phenyllithium

pentafluoropropionic acid

(E/Z)-1-chloro-1,2-difluoro-2-phenylethene

Downstream raw materials:

(2-fluoroethene-1,1,2-triyl)tribenzene

1,1,2,2-tetrafluoro-1,2-diphenylethane

cis-α,α'-difluorostilbene

epoxide of trans-α,β-difluorostyrene

Refernces

• 1、 Berger, Josefine,Braun, Thomas,Ahrens, Theresia,Kl?ring, Paul,Laubenstein, Reik,Braun-Cula, Beatrice. "The Versatile Behavior of Platinum Alkyne Complexes towards XeF2: Formation of Fluorovinyl and Fluorido Complexes". . p. 8886 - 8900. Retrieved 2017.
• 2、 -. "METHOD FOR PRODUCING SUBSTITUTED FLUORINE-CONTAINING OLEFIN". Page/Page column 7. . Retrieved 2013/02/28.