936693
tBuXPhos ChemBeads
solid
Synonym(s):
2-Di-tert-butylphosphino-2′,4′,6′-triisopropylbiphenyl ChemBeads, tert-Butyl Xphos ChemBeads, t-Bu Xphos ChemBeads, tBuXPhos
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About This Item
Empirical Formula (Hill Notation):
C29H45P
CAS Number:
Molecular Weight:
424.64
UNSPSC Code:
12352100
MDL number:
NACRES:
NA.21
Product Name
tBuXPhos ChemBeads,
InChI
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
SMILES string
CC(C)(C)P(C(C)(C)C)C1=C(C2=C(C(C)C)C=C(C(C)C)C=C2C(C)C)C=CC=C1
InChI key
SACNIGZYDTUHKB-UHFFFAOYSA-N
Quality Level
product line
ChemBeads
form
solid
composition
, 4-6 wt. % (loading)
reaction suitability
reagent type: ligand
Related Categories
Application
tBuXPhos has been used as a ligand in many C-N and C-O bond forming reactions, as well many others including:
- The palladium-catalyzed Tsuji-Trost substitution and cross-coupling of benzylic fluorides.
- The palladium-catalyzed C-N cross-coupling of sulfinamides and aryl halides.
- The protoboration of alkynes.
- ArF-alkynyl coupling with fluorinated aryls.
- The Ni & Ni/Pd reductive coupling of lignan-derived aromatics to biobased platicizers.
- The palladium-catalyzed fluorination of cyclic vinyl triflates.
ChemBeads are chemical coated glass beads. ChemBeads offer improved flowability and chemical uniformity perfect for automated solid dispensing and high-throughput experimentation. The method of creating ChemBeads uses no other chemicals or surfactants allowing the user to accurately dispense sub-milligram amounts of chemical.
For general uses, product is also available in powdered form (638080)
- The palladium-catalyzed Tsuji-Trost substitution and cross-coupling of benzylic fluorides.
- The palladium-catalyzed C-N cross-coupling of sulfinamides and aryl halides.
- The protoboration of alkynes.
- ArF-alkynyl coupling with fluorinated aryls.
- The Ni & Ni/Pd reductive coupling of lignan-derived aromatics to biobased platicizers.
- The palladium-catalyzed fluorination of cyclic vinyl triflates.
ChemBeads are chemical coated glass beads. ChemBeads offer improved flowability and chemical uniformity perfect for automated solid dispensing and high-throughput experimentation. The method of creating ChemBeads uses no other chemicals or surfactants allowing the user to accurately dispense sub-milligram amounts of chemical.
For general uses, product is also available in powdered form (638080)
General description
The ChemBeads product of 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. Loaded on glass beads for use in high-throughput expermentation (HTE).
Storage Class
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
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Yuxuan Ye et al.
Angewandte Chemie (International ed. in English), 62(15), e202300109-e202300109 (2023-02-13)
Pd-catalyzed nucleophilic fluorination reactions are important methods for the synthesis of fluoroarenes and fluoroalkenes. However, these reactions can generate a mixture of regioisomeric products that are often difficult to separate. While investigating the Pd-catalyzed fluorination of cyclic vinyl triflates, we
Guillermo Marcos-Ayuso et al.
Journal of the American Chemical Society, 145(1), 527-536 (2022-12-22)
The synthesis of aryl-alkynyl compounds is usually achieved via Sonogashira catalysis, but this is inefficient for fluorinated aryls. An alternative method reported by Shirakawa and Hiyama, using alkynylstannanes and hemilabile PN ligands, works apparently fine for conventional aryls, but it
Palladium-catalyzed substitution and cross-coupling of benzylic fluorides
Blessley G, et al.
Organic Letters, 14(11), 2754-2757 (2012)
Xiaofei Sun et al.
The Journal of organic chemistry, 77(9), 4454-4459 (2012-03-31)
The palladium-catalyzed C-N cross coupling of sulfinamides and aryl halides is reported. In the presence of Pd(2)(dba)(3), tBuXPhos, NaOH, and a small amount of water, the C-N cross coupling of chiral tert-butanesulfinamide and aryl halides was accomplished to give N-aryl
Lei Xu et al.
The Journal of organic chemistry, 87(21), 14879-14888 (2022-10-13)
The versions of Miyaura borylation and protoboration of alkynes catalyzed by low loadings of palladium (400 mol ppm = 0.04 mol %) have been developed. These transformations have a broad substrate scope, good functional-group compatibility, and gram-scale synthetic ability.
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