|  | |  |  | Tri-tert-butylphosphine tetrafluoroborate Basic information |  | Reaction | 
|  |  | Tri-tert-butylphosphine tetrafluoroborate Chemical Properties | 
 | Melting point | 261 °C(lit.) |  | storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |  | solubility | Chloroform (Slightly), Dichloromethane (Slightly), Methanol (Slightly) |  | form | Crystals and Chunks |  | color | White |  | Water Solubility | Soluble in methylene chloride and chloroform. Slightly soluble in terahydro furan. Insoluble in hexane, toluene and water. |  | Sensitive | Hygroscopic |  | BRN | 8813613 |  | InChIKey | YSTLBJVHZMEEAC-UHFFFAOYSA-N |  | CAS DataBase Reference | 131274-22-1(CAS DataBase Reference) | 
|  |  | Tri-tert-butylphosphine tetrafluoroborate Usage And Synthesis | 
 | Reaction | 
Air-stable, non-pyrophoric precursor of the Tri-t-butylphosphine ligand which is used in a variety of catalytic processes.Ligand for Suzuki cross-couplings.Ligand for Heck Reactions.Ligand for Stille Cross-couplings.Ligand for α-Arylation and vinylation of arylmandelic acid derivatives.Ligand for direct arylation of hetercyclesSynthesis of benzocyclobutenes by C-H activation.Cross-coupling of Grignard reagents and aryl bromides.Palladium catalyzed annulation of haloanilines.Palladium-Catalyzed Acylation.Palladium Catalyzed Carbonylative Heck Reaction.Palladium-catalyzed aminosulfonylation.Palladium-catalyzed intramolecular C–O bond formation.Ruthenium-catalyzed cross-coupling of aldehydes with arylboronic acid.  
  
  
   |  | Chemical Properties | white to light yellow crystal powde |  | Uses | suzuki reaction Hindered Phosphine salt employed with a Pd(0)-15-membered, triolefinic, macrocyle in Suzuki cross-coupling reactions of aryl bromides and chlorides. Also used in Heck coupling of non-activated vinyl tosylates with electron deficient olefins.
 Ligand used in the Pd-catalyzed enantioselective α?arylation of N-boc-pyrrolidine.
 |  | Uses | Tri-tert-butylphosphonium Tetrafluoroborate is used in the synthesis of substituted biaryl compounds via palladium catalyzed tandem Heck-direct arylation and tandem- sequential Heck-direct arylation-hydrogenation. Also used in the synthesis of a novel organic dye with fluorenone as conjugation bridge which is used in dye sensitized solar cells. |  | Application | Tri-tert-butylphosphonium tetrafluoroborate is a ligand used in the palladium-catalyzed enantioselective alfa-arylation of N-boc-pyrrolidine. It is also used with a palladium(0)-15-membered, triolefinic, macrocyle in Suzuki cross-coupling reactions of aryl bromides and chlorides. Further, it is used in the Heck coupling of vinyl tosylates with olefins. | 
|  |  | Tri-tert-butylphosphine tetrafluoroborate Preparation Products And Raw materials | 
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