1,1'-[(1S)-6,6'-Dimethoxy[1,1'-biphenyl]-2,2'-diyl]bis[1,1-bis[3,5-bis(1,1-dimethylethyl)-4-methoxyphenyl]phosphine

Name: 1,1'-[(1S)-6,6'-Dimethoxy[1,1'-biphenyl]-2,2'-diyl]bis[1,1-bis[3,5-bis(1,1-dimethylethyl)-4-methoxyphenyl]phosphine
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CAS No. 910134-30-4
Cat. No. CS-0035246
Purity≥97%
MDL No.None

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1,1'-[(1S)-6,6'-Dimethoxy[1,1'-biphenyl]-2,2'-diyl]bis[1,1-bis[3,5-bis(1,1-dimethylethyl)-4-methoxyphenyl]phosphine|CS-0035246

Structure of 910134-30-4

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Description

This bulky, electron-rich phosphine ligand features two sterically shielded arylphosphine arms anchored to a chiral biphenyl backbone, delivering exceptional stability and performance in palladium-catalyzed cross-coupling reactions under air-sensitive conditions.

Application

1,1'-[(1S)-6,6'-Dimethoxy[1,1'-biphenyl]-2,2'-diyl]bis[1,1-bis[3,5-bis(1,1-dimethylethyl)-4-methoxyphenyl]phosphine] serves as a sterically hindered, electron-rich chiral ligand that enables efficient transition-metal-catalyzed cross-coupling reactions. Its robust bis(phosphine) architecture provides excellent stability under air and facilitates high-yielding Suzuki-Miyaura and Negishi couplings with broad functional group tolerance. The ligand’s ortho-substituted aryl groups enhance catalyst longevity and promote selective transformations in complex molecule synthesis.

General Information

CAS No. 910134-30-4
Cat. No. CS-0035246
Purity ≥97%
MDL No. None
Storage 4°C, protect from light, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇₄H₁₀₄O₆P₂
Molecular Weight 1151.56
Synonym(s) (S)-(6,6′-Dimethoxybiphenyl-2,2′-diyl)bis[bis(3,5-di-tert-butyl-4-methoxyphenyl)phosphine]
SMILES COC1=CC=CC([P]C2=CC(C(C)(C)C)=C(OC)C(C(C)(C)C)=C2)=C1C3=C(OC)C=CC=C3[P]C4=CC(C(C)(C)C)=C(OC)C(C(C)(C)C)=C4

Computational Chemistry Data

TPSA 36.92
LogP 9.8366
H_Acceptors 4
H_Donors 0
Rotatable_Bonds 9

Safety Information

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GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P362+P364-P405-P501

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1,1'-[(1S)-6,6'-Dimethoxy[1,1'-biphenyl]-2,2'-diyl]bis[1,1-bis[3,5-bis(1,1-dimethylethyl)-4-methoxyphenyl]phosphine

CAS No. 910134-30-4

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