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tBuXPhos

ALDRICH/901904 - 95%

Synonym: 2-Di-tert-butylphosphino-2′,4′,6′-triisopropylbiphenyl; t-Bu XPhos; tert-Butyl XPhos

CAS Number: 564483-19-8
Empirical Formula (Hill Notation): C29H45P
Molecular Weight: 424.64
MDL Number: MFCD06411306
Linear Formula: C29H45P
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-901904-1G 1 g
 $0.00
1/EA
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45-901904-5G 5 g
 $245.00
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45-901904-25G 25 g
 $0.00
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: 901904-250G

 

assay 95%
form powder or crystals
functional group phosphine
InChI 1S/C29H45P/c1-19(2)22-17-24(20(3)4)27(25(18-22)21(5)6)23-15-13-14-16-26(23)30(28(7,8)9)29(10,11)12/h13-21H,1-12H3
InChI key SACNIGZYDTUHKB-UHFFFAOYSA-N
mp 148-151 °C (lit.)
  150 °C
reaction suitability reaction type: Buchwald-Hartwig Cross Coupling Reaction
  reaction type: Heck Reaction
  reaction type: Hiyama Coupling
  reaction type: Negishi Coupling
  reaction type: Sonogashira Coupling
  reaction type: Stille Coupling
  reaction type: Suzuki-Miyaura Coupling
  reagent type: catalyst
reaction type: Cross Couplings
  reagent type: ligand
SMILES string CC(P(C(C=CC=C1)=C1C(C(C(C)C)=CC(C(C)C)=C2)=C2C(C)C)C(C)(C)C)(C)C
Application: tBuXPhos has been used in the preparation of [tBuXPhosAu(MeCN)]BAr4F, a gold catalyst for the intermolecular [2+2] cycloaddition of terminal arylalkynes with substituted alkenes to form functionalized cyclobutenes with high regioselectivity.
General description: tBuXPhos [2-Di-tert-butylphosphino-2′,4′,6′-triisopropylbiphenyl] is an air-stable, electron-rich biaryl phosphine ligand developed by the Buchwald group to enhance the reactivity of palladium catalysis during cross-coupling reactions.
Legal Information: Usage subject to Patents: EP 1097158; JP 5758844; CA 2336691
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity 95%
mp 148-151 °C (lit.); 150 °C
UNSPSC 12352002

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