(S)-(6,6'-Dimethoxybiphenyl-2,2'-diyl)bis[bis(3,5-di-tert-butylphenyl)phosphine]

Name: (S)-(6,6'-Dimethoxybiphenyl-2,2'-diyl)bis[bis(3,5-di-tert-butylphenyl)phosphine]
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CAS No. 167709-31-1
Cat. No. CS-0086651
Purity≥97%
MDL No.None

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Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
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(S)-(6,6'-Dimethoxybiphenyl-2,2'-diyl)bis[bis(3,5-di-tert-butylphenyl)phosphine]|CS-0086651

Structure of 167709-31-1

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General Information

CAS No. 167709-31-1
Cat. No. CS-0086651
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 C₇₀H₉₆O₂P₂
Molecular Weight 1031.46
Synonym(s) (S)-(-)-2,2-Bis[di(3,5-di-t-Butylphenyl)Phosphino]-6,6-Dimethoxy-1,1-Biphenyl
SMILES COC1=CC=CC([P]C2=CC(C(C)(C)C)=CC(C(C)(C)C)=C2)=C1C3=C(OC)C=CC=C3[P]C4=CC(C(C)(C)C)=CC(C(C)(C)C)=C4

Description

This chiral bisphosphine ligand features two electron-rich, sterically shielded phosphine groups anchored to a rigid dimethoxybiphenyl backbone, enabling high activity and selectivity in asymmetric transition metal catalysis.

Application

(S)-(6,6'-Dimethoxybiphenyl-2,2'-diyl)bis[bis(3,5-di-tert-butylphenyl)phosphine] serves as a sterically hindered, chiral bisphosphine ligand enabling highly selective palladium-catalyzed cross-coupling reactions. Its robust bis(3,5-di-tert-butylphenyl)phosphine moieties provide exceptional stability and functional group tolerance, while the (S)-configured dimethoxybiphenyl backbone ensures reliable stereocontrol in asymmetric transformations. This ligand facilitates efficient coupling of challenging substrates with minimal catalyst loading and is well-suited for scale-up in pharmaceutical process development.

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-P280-P302+P352

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Computational Chemistry Data

TPSA 18.46
LogP 9.8194
H_Acceptors 2
H_Donors 0
Rotatable_Bonds 7

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(S)-(6,6'-Dimethoxybiphenyl-2,2'-diyl)bis[bis(3,5-di-tert-butylphenyl)phosphine]

CAS No. 167709-31-1

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