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CAS RN: 13965-03-2 | Product Number: B1667

Bis(triphenylphosphine)palladium(II) Dichloride


Purity: >98.0%(T)
Synonyms:
  • Dichlorobis(triphenylphosphine)palladium(II)
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Product Number B1667
Purity / Analysis Method >98.0%(T)
Molecular Formula / Molecular Weight C__3__6H__3__0Cl__2P__2Pd = 701.90  
Physical State (20 deg.C) Solid
Storage Temperature 0-10°C
Store Under Inert Gas Store under inert gas
Condition to Avoid Moisture Sensitive,Heat Sensitive
CAS RN 13965-03-2
Reaxys Registry Number 13172189
PubChem Substance ID 87564568
SDBS (AIST Spectral DB) 27199
MDL Number

MFCD00009593

Specifications
Appearance Light yellow to Brown powder to crystal
Purity(Chelometric Titration) min. 98.0 %
Properties (reference)
GHS
Related Laws:
EC Number 237-744-2
Transport Information:
HS Number 2843909000
Application
TCI Practical Example: Sonogashira Cross Coupling

Used Chemicals

Procedure

To a two-necked flask was charged with iodobenzene (1.09 mL, 9.80 mmol, 1.0 equiv.), ethynylbenzene (1.18 mL, 10.7 mmol, 1.1 equiv.), bis(triphenylphosphine)palladium(II) dichloride (137 mg, 0.195 mmol 2.0 mol%), copper(I) iodide (40 mg, 0.210 mmol, 2.1 mol%), tetrahydrofuran anhydrous (40 mL), triethylamine (1.90 mL, 14.7 mmol, 1.5 equiv.) under nitrogen atmosphere. The mixture was stirred at room temperature for 1.5 h. The reaction mixture was quenched with water (20 mL). The organic layer was washed with brine (10 mL), dried over Na2SO4 and then concentrated under reduce pressure. The crude was purified by column chromatography on silica gel (hexane) to afford diphenylacetylene as a white powder (1.70 g, 97 %).

Experimenter’s Comments

The reaction mixture was monitored by GC.

Analytical Data

Diphenylacetylene

1H NMR (400 MHz, CDCl3); δ 7.51-7.54 (m, 4H), 7.31-7.35 (m, 6H).

13C NMR (101 MHz, CDCl3); δ 131.6, 128.3, 128.2, 123.2, 89.3.

Other References


Application
One-pot Procedure for the Synthesis of Unsymmetrical Diarylalkynes

References

Documents (Note: Some products will not have analytical charts available.)
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Specifications
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