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Merck
CN

638064

Sigma-Aldrich

XPhos

greener alternative

98%

Synonym(s):

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

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¥726.38

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Available to ship on2025年4月11日Details


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1 G
¥726.38

About This Item

Empirical Formula (Hill Notation):
C33H49P
CAS Number:
Molecular Weight:
476.72
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.22

¥726.38

List price¥1,130.66Save 36%

Available to ship on2025年4月11日Details


Request a Bulk Order

Quality Level

Assay

98%

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

greener alternative product score

old score: 2
new score: 1
Find out more about DOZN™ Scoring

greener alternative product characteristics

Waste Prevention
Atom Economy
Use of Renewable Feedstocks
Catalysis
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

mp

187-190 °C (lit.)

functional group

phosphine

greener alternative category

SMILES string

CC(C)C1=CC(C(C)C)=CC(C(C)C)=C1C2=C(P(C3CCCCC3)C4CCCCC4)C=CC=C2

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This Item
59106873861N0756
Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

100

bp

177 °C (lit.)

bp

153 °C/774 mmHg (lit.)

bp

177 °C (lit.)

bp

177 °C (lit.)

density

0.95 g/mL (lit.)

density

1.086 g/mL at 25 °C

density

0.95 g/mL (lit.)

density

0.95 g/mL (lit.)

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.
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.

Application

Ligand for increased scope of Pd-catalyzed amination and amidation via arene sulfonates, aryl halides.
Ligand used in a Pd-catalyzed Suzuki coupling leading to C-15 analogs of vindoline.[1]
Direct annulation of 2-haloanilines to indoles and tryptophans catalyzed by Pd.[2] Synthesis of regioregular polythiophenes.[3]
Preferred ligand for greener Sonogashira coupling in TPGS-750-M.
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
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.[4]
  • 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.[5]
  • Along with platinum chloride to catalyze the hydrosilylation of terminal arylalkynes with silanes to form functionalized β-(E)-vinylsilanes.[6]

Legal Information

Usage subject to US Patent 7,223,879
Usage subject to US Patents 6307087 and 6395916.

related product

Product No.
Description
Pricing

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Palladium-Catalyzed Stille Cross-Coupling Reaction of Aryl Chlorides using a Pre-Milled Palladium Acetate and XPhos Catalyst System.
Advanced Synthesis & Catalysis, 350(7-8), 957-961 (2008)
Yanxing Jia et al.
The Journal of organic chemistry, 71(20), 7826-7834 (2006-09-26)
One-pot synthesis of indoles by a palladium-catalyzed annulation of ortho-haloanilines and aldehydes has been developed. Coupling of ortho-iodoaniline with aldehyde is realized under mild ligandless conditions [Pd(OAc)2, DABCO, DMF, 85 degrees C], whereas X-Phos is found to be the ligand
Peter D Johnson et al.
The Journal of organic chemistry, 71(20), 7899-7902 (2006-09-26)
Described are general protocols for the rapid construction of various C-15-substituted analogues of vindoline using palladium-catalyzed cross-coupling reactions. The required bromo- and iodovindolines were prepared in high yield by the reaction of vindoline with N-bromosuccinimide or N-iodosuccinimide, respectively. The study
Xphos ligand and platinum catalysts: A versatile catalyst for the synthesis of functionalized ?-(E)-vinylsilanes from terminal alkynes.
Hamze A, et al.
Journal of Organometallic Chemistry, 693(16), 2789-2797 (2008)
Tetrahedron Letters, 47, 5143-5143 (2006)

Articles

Buchwald Phosphine Ligands

The Hazari group has developed an improved palladium precatalyst scaffold for a wide range of cross-coupling reactions

A variety of palladium-catalyzed cross-coupling reactions can be run under room temperature conditions in water with TPGS- 750-M, using a variety of commercially available palladium complexes and ligands.

Buchwald phosphine ligands for C-C, C-N, and C-O bond formation.

See All

Protocols

TPGS-750-M surfactant enables various reactions in water at room temperature, enhancing efficiency and versatility in synthesis.

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