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XPhos

ALDRICH/638064 - 98%

Synonym: 2-Dicyclohexylphosphino-2′,4′,6′-triisopropylbiphenyl

CAS Number: 564483-18-7
Empirical Formula (Hill Notation): C33H49P
Molecular Weight: 476.72
MDL Number: MFCD04117682
Linear Formula: C33H49P
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-638064-1G 1 g
$95.40
1/EA
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45-638064-5G 5 g
$176.00
1/EA
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45-638064-25G 25 g
$624.00
1/EA
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45-638064-100G 100 g
$2370.00
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45-638064-500G 500 g
$2990.00
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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: 638064-500G
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: 638064-100G
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: 638064-25G
12 Principles of Green Chemistry: Principle 1—Waste Prevention.  This product has a smaller environmental footprint through reduction of waste in the manufacturing process.
12 Principles of Green Chemistry: Principle 2—Atom Economy.  This product was designed to maximize the incorporation of all raw materials used in the manufacturing process.
12 Principles of Green Chemistry: Principle 7—A raw material or feedstock should be renewable rather than depleting whenever technically and economically practicable.
12 Principles of Green Chemistry: Principle 9—Catalytic reagents (as selective as possible) are superior to stoichiometric reagents.

 

assay 98%
functional group phosphine
greener alternative category  , Re-engineered 
greener alternative product characteristics Waste Prevention
Atom Economy
Use of Renewable Feedstocks
Catalysis
Learn more about the Principles of Green Chemistry .
greener alternative product score old score: 2
new score: 1
Find out more about DOZN™ Scoring 
InChI 1S/C33H49P/c1-23(2)26-21-30(24(3)4)33(31(22-26)25(5)6)29-19-13-14-20-32(29)34(27-15-9-7-10-16-27)28-17-11-8-12-18-28/h13-14,19-25,27-28H,7-12,15-18H2,1-6H3
InChI key UGOMMVLRQDMAQQ-UHFFFAOYSA-N
mp 187-190 °C (lit.)
Quality Level 300 
reaction suitability reaction type: Cross Couplings
  reagent type: ligand
reaction type: Buchwald-Hartwig Cross Coupling Reaction
  reagent type: ligand
reaction type: C-C Bond Formation
  reagent type: ligand
reaction type: Heck Reaction
  reagent type: ligand
reaction type: Hiyama Coupling
  reagent type: ligand
reaction type: Negishi Coupling
  reagent type: ligand
reaction type: Sonogashira Coupling
  reagent type: ligand
reaction type: Stille Coupling
  reagent type: ligand
reaction type: Suzuki-Miyaura Coupling
SMILES string CC(C)C1=CC(C(C)C)=CC(C(C)C)=C1C2=C(P(C3CCCCC3)C4CCCCC4)C=CC=C2
sustainability Greener Alternative Product
Application: Ligand for increased scope of Pd-catalyzed amination and amidation via arene sulfonates, aryl halides.
Application: Ligand used in a Pd-catalyzed Suzuki coupling leading to C-15 analogs of vindoline.
Direct annulation of 2-haloanilines to indoles and tryptophans catalyzed by Pd. Synthesis of regioregular polythiophenes.
Application: Preferred ligand for greener Sonogashira coupling in TPGS-750-M.
Application: Preferred ligand for greener Sonogashira coupling in TPGS-750-M.

For small scale and high throughput uses, product is also available as ChemBeads (928364 )

On the Way Towards Greener Transition-Metal-Catalyzed Processes as Quantified by E Factors 
Application: XPhos may be used as a ligand in the following reactions:
• Preparation of functionalized benzylic sulfones via palladium-catalyzed Negishi cross-coupling between alkyl sulfones and aryl halides.
• Along with pre-milled palladium(II) acetate as a pre-catalyst for the Stille cross-coupling of aryl chlorides with tributylarylstannanes to form the corresponding biaryl compounds.
• Along with platinum chloride to catalyze the hydrosilylation of terminal arylalkynes with silanes to form functionalized β-(E)-vinylsilanes.
General description: We are committed to bringing you Greener Alternative Products, which adhere to one of the four categories of Greener Alternatives  . This product belongs to category of Re-engineered products, showing key improvements in Green Chemistry Principles “Waste Prevention”, “Atom Economy”, “Use of Renewable Feedstock” and “Enhanced Catalytic Activity”. Click here   to view its DOZN scorecard.
General description: XPhos [2-Dicyclohexylphosphino-2′,4′,6′-triisopropylbiphenyl] is an air-stable electron-rich biaryl monophosphine ligand2 developed by the Buchwald group to enhance the reactivity of palladium catalysis during cross-coupling reactions.
Legal Information: Usage subject to US Patent 7,223,879
Legal Information: Usage subject to US Patents 6307087 and 6395916.
Packaging: 1, 5, 25, 100, 500 g in glass bottle
Packaging: 12 mg in ampule
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity 98%
mp 187-190 °C (lit.)
UNSPSC 12352103

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