Bis(4-methoxyphenyl)phosphine oxide

Name: Bis(4-methoxyphenyl)phosphine oxide
Brand: ChemScene
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CAS No. 15754-51-5
Cat. No. CS-0150369
Purity≥96%
MDL No.MFCD06754095

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
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Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
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Bis(4-methoxyphenyl)phosphine oxide|CS-0150369

Structure of 15754-51-5

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Description

Bis(4-methoxyphenyl)phosphine oxide features two electron-donating methoxy groups that enhance solubility and stability in polar organic solvents. This bench-stable phosphine oxide integrates readily into catalytic systems, where its oxygen-bridged phosphorus center facilitates ligand exchange and coordination to transition metals. The para-methoxy substituents reduce steric crowding while maintaining electronic activation, enabling efficient performance in cross-coupling reactions under mild conditions.

Application

Bis(4-methoxyphenyl)phosphine oxide serves as a stable, bench-friendly ligand in palladium-catalyzed cross-coupling reactions, enabling efficient C–C bond formation under mild conditions. Its electron-donating methoxy groups enhance reactivity while maintaining compatibility with diverse functional groups, facilitating straightforward purification and scalability in synthetic workflows.

General Information

CAS No. 15754-51-5
Cat. No. CS-0150369
Purity ≥96%
MDL No. MFCD06754095
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₁₄H₁₅O₃P
Molecular Weight None
Synonym(s) Bis(4-methoxyphenyl)phosphonic acid
SMILES COC1=CC=C(C=C1)P(=O)C2=CC=C(C=C2)OC

Computational Chemistry Data

TPSA 35.53
LogP 2.2143
H_Acceptors 3
H_Donors 0
Rotatable_Bonds 4

Safety Information

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GHS Pictogram :	GHS No : GHS02,GHS07
Signal Word : Danger	UN#: 1325
Class : 4.1	Packing Group : Ⅱ
Hazard Statements : H228-H315-H319-H335
Precautionary Statements : P210-P240-P241-P280-P370+P378

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Bis(4-methoxyphenyl)phosphine oxide

CAS No. 15754-51-5

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