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936758

Sigma-Aldrich

tBuBrettPhos ChemBeads

Sinónimos:

2-(Di-tert-butylphosphino)-2′,4′,6′- triisopropyl-3,6-dimethoxy-1,1′-biphenyl, [3,6-Dimethoxy-2′,4′,6′-tris(1-methylethyl) [1,1′-biphenyl]-2-yl]bis(1,1-dimethylethyl)phosphine, t-Bu Brett Phos, t-BuBrett Phos, t-BuBrett-Phos, t-BuBrettPhos, tert-ButylBrettPhos, tertButylBrettPhos

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About This Item

Fórmula empírica (notación de Hill):
C31H49O2P
Número de CAS:
1160861-53-9
Peso molecular:
484.69
MDL number:
MFCD13181930
UNSPSC Code:
12352112
NACRES:
NA.22

form

solid

Quality Level

100

composition

, ~5 wt. % (loading of catalyst)

reaction suitability

reaction type: Buchwald-Hartwig Cross Coupling Reaction
reaction type: Cross Couplings
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

SMILES string

COc1ccc(OC)c(c1P(C(C)(C)C)C(C)(C)C)-c2c(cc(cc2C(C)C)C(C)C)C(C)C

InChI

1S/C31H49O2P/c1-19(2)22-17-23(20(3)4)27(24(18-22)21(5)6)28-25(32-13)15-16-26(33-14)29(28)34(30(7,8)9)31(10,11)12/h15-21H,1-14H3

InChI key

REWLCYPYZCHYSS-UHFFFAOYSA-N

General description

tBuBrettPhos is a dialkylbiaryl phosphine ligand developed by the Buchwald group. It promotes cross-coupling reactions more efficiently and exhibits improved reactivity compared to other catalytic systems.

Application

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 larger scale uses, product also available in powdered form (730998)

Other Notes

High-Throughput Reaction Screening with Nanomoles of Solid Reagents Coated on Glass Beads

Versatile Methods to Dispense Sub-Milligram Quantities of Solids using Chemical Coated Beads for High-Throughput Experimentation

ChemBead Enabled High-Throughput Cross-Electrophile Coupling Reveals a New Complementary Ligand

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Lot/Batch Number

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Ana L Aguirre et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 27(51), 12981-12986 (2021-07-08)
High-throughput experimentation (HTE) methods are central to modern medicinal chemistry. While many HTE approaches to C-N and Csp2 -Csp2 bonds are available, options for Csp2 -Csp3 bonds are limited. We report here how the adaptation of nickel-catalyzed cross-electrophile coupling of
Noah P Tu et al.
Angewandte Chemie (International ed. in English), 58(24), 7987-7991 (2019-03-21)
Technologies that enable rapid screening of diverse reaction conditions are of critical importance to methodology development and reaction optimization, especially when molecules of high complexity and scarcity are involved. The lack of a general solid dispensing method for chemical reagents

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