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718742

Sigma-Aldrich

BrettPhos

greener alternative

98%

Synonym(s):
2-(Dicyclohexylphosphino)3,6-dimethoxy-2′,4′,6′-triisopropyl-1,1′-biphenyl
Empirical Formula (Hill Notation):
C35H53O2P
CAS Number:
Molecular Weight:
536.77
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

98%

form

solid

reaction suitability

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

reagent type: ligand
reaction type: Fluorinations

greener alternative product score

old score: 8
new score: 1
Find out more about DOZN™ Scoring

greener alternative product characteristics

Waste Prevention
Atom Economy
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

mp

187-195 °C

functional group

phosphine

greener alternative category

SMILES string

COc1c(P(C2CCCCC2)C3CCCCC3)c(c4c(C(C)C)cc(C(C)C)cc4C(C)C)c(OC)cc1

InChI

1S/C35H53O2P/c1-23(2)26-21-29(24(3)4)33(30(22-26)25(5)6)34-31(36-7)19-20-32(37-8)35(34)38(27-15-11-9-12-16-27)28-17-13-10-14-18-28/h19-25,27-28H,9-18H2,1-8H3

InChI key

WDVGNXKCFBOKDF-UHFFFAOYSA-N

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assay

98%

assay

-

assay

97%

assay

≥95%

form

solid

form

solid

form

-

form

powder

reaction suitability

reaction type: Cross Couplings, reagent type: ligand
reaction type: Buchwald-Hartwig Cross Coupling Reaction, reagent type: ligand
reaction type: Fluorinations

reaction suitability

-

reaction suitability

reaction type: Cross Couplings, reagent type: ligand
reaction type: Buchwald-Hartwig Cross Coupling Reaction, reagent type: ligand
reaction type: C-X Bond Formation, reagent type: ligand
reaction type: Heck Reaction, reagent type: ligand
reaction type: Suzuki-Miyaura Coupling

reaction suitability

-

mp

187-195 °C

mp

-

mp

86-88 °C (lit.)

mp

-

functional group

phosphine

functional group

-

functional group

phosphine

functional group

-

Quality Level

300

Quality Level

100

Quality Level

100

Quality Level

100

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” and “Design for Energy Efficiency”. Click here to view its DOZN scorecard.

Application

BrettPhos 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.
It can be used in:
  • palladium-catalyzed trifluoromethylation of aryl chlorides
  • Buchwald-Hartwig amination
  • synthesis of 4-aryl and alkyl substituted, N6-alkylated pyridazine-3,6-diamines via a Buchwald protocol

Features and Benefits

  • White crystalline solid
  • Air- and moisture-stable
  • Thermally stable
  • Highly efficient
  • Wide functional group tolerance
  • Excellent selectivity and conversion

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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