Tetramethyl di-tBuXPhos

Modify Date: 2025-08-23 10:09:07

Tetramethyl di-tBuXPhos Structure
Tetramethyl di-tBuXPhos structure
Common Name Tetramethyl di-tBuXPhos
CAS Number 857356-94-6 Molecular Weight 480.748
Density N/A Boiling Point 534.1±50.0 °C at 760 mmHg
Molecular Formula C33H53P Melting Point 168-172ºC
MSDS Chinese USA Flash Point 294.4±36.4 °C

 Names

Name ditert-butyl-[2,3,4,5-tetramethyl-6-[2,4,6-tri(propan-2-yl)phenyl]phenyl]phosphane
Synonym More Synonyms

 Chemical & Physical Properties

Boiling Point 534.1±50.0 °C at 760 mmHg
Melting Point 168-172ºC
Molecular Formula C33H53P
Molecular Weight 480.748
Flash Point 294.4±36.4 °C
Exact Mass 480.388489
PSA 13.59000
LogP 12.64
Vapour Pressure 0.0±1.4 mmHg at 25°C

 Safety Information

RIDADR NONH for all modes of transport

 Synthetic Route

~63%

Tetramethyl di-tBuXPhos Structure

Tetramethyl di-...

CAS#:857356-94-6

Literature: Journal of the American Chemical Society, , vol. 127, # 22 p. 8146 - 8149

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Tetramethyl di-tBuXPhos Structure

Tetramethyl di-...

CAS#:857356-94-6

Literature: Angewandte Chemie - International Edition, , vol. 45, # 26 p. 4321 - 4326

 Articles4

More Articles
Palladium-catalyzed Suzuki-Miyaura cross-coupling reactions employing dialkylbiaryl phosphine ligands.

Acc. Chem. Res. 41 , 1461, (2008)

The cores of many types of polymers, ligands, natural products, and pharmaceuticals contain biaryl or substituted aromatic structures, and efficient methods of synthesizing these structures are crucia...

Biaryl phosphane ligands in palladium-catalyzed amination.

Angew. Chem. Int. Ed. Engl. 47 , 6338, (2008)

Palladium-catalyzed amination reactions of aryl halides have undergone rapid development in the last 12 years, largely driven by the implementation of new classes of ligands. Biaryl phosphanes have pr...

Dialkylbiaryl Phosphines in Pd-Catalyzed Amination: A User's Guide.

Chem. Sci. 2 , 27, (2011)

Dialkylbiaryl phosphines are a valuable class of ligand for Pd-catalyzed amination reactions and have been applied in a range of contexts. This review attempts to aid the reader in the selection of th...

 Synonyms

2-Di-tert-butylphosphino-3,4,5,6-tetramethyl-2',4',6'-triisopropyl-1,1'-biphenyl
Me4 t-butylXPhos
tetramethyl-ditertbutyl-XPhos
Me4t-BuXPhos
2-DI-TERT-BUTYLPHOSPHINO-3,4,5,6-TETRAMETHYL-2',4',6'-TRI ISOPROPYLIBIPHENYL
Di-tert-butyl(2',4',6'-triisopropyl-3,4,5,6-tetramethyl-[1,1'-biphenyl]-2-yl)phosphine
MFCD09038436
2-Di-t-butylphosphino-3,4,5,6-tetramethyl-2',4',6'-tri-i-propylbiphenyl
3,4,5,6-tetramethyl-t-Bu-X-Phos
Phosphine, bis(1,1-dimethylethyl)[3,4,5,6-tetramethyl-2',4',6'-tris(1-methylethyl)[1,1'-biphenyl]-2-yl]-
tetramethyl di-tBuXPhos
Bis(2-methyl-2-propanyl)(2',4',6'-triisopropyl-3,4,5,6-tetramethyl-2-biphenylyl)phosphine
tetramethyl-di-t-butyl-XPhos
2-Di-tert-butylphosphino-3,4,5,6-tetramethyl-2′,4′,6′-triisopropyl-1,1′-biphenyl
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