(4-Ethynylphenyl)diphenylphosphane

Name: (4-Ethynylphenyl)diphenylphosphane
Brand: ChemScene
Availability: InStock
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CAS No. 359017-78-0
Cat. No. CS-0903807
Purity≥98%
MDL No.None

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
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(4-Ethynylphenyl)diphenylphosphane|CS-0903807

Structure of 359017-78-0

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Description

(4-Ethynylphenyl)diphenylphosphane features a terminal alkyne group conjugated to a diphenylphosphane moiety, enabling efficient copper-catalyzed coupling reactions. This robust, bench-stable reagent integrates seamlessly into click chemistry workflows, offering high functional group tolerance and reliable yields in the synthesis of complex phosphine-containing architectures.

Application

(4-Ethynylphenyl)diphenylphosphane serves as a versatile building block in transition-metal-catalyzed coupling reactions, enabling efficient access to conjugated biaryl and heteroaryl architectures. The terminal alkyne functionality facilitates Sonogashira, Glaser, or Huisgen cycloadditions, while the phosphine group provides strong coordination to palladium and nickel catalysts. Its bench-stable nature and compatibility with diverse functional groups make it ideal for modular synthesis of advanced intermediates in pharmaceutical and materials chemistry.

General Information

CAS No. 359017-78-0
Cat. No. CS-0903807
Purity ≥98%
MDL No. None
Storage 4°C, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₂₀H₁₅P
Molecular Weight 286.31
Synonym(s) None
SMILES C#CC1=CC=C(P(C2=CC=CC=C2)C3=CC=CC=C3)C=C1

Computational Chemistry Data

TPSA 0
LogP 3.4261
H_Acceptors 0
H_Donors 0
Rotatable_Bonds 3

Safety Information

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GHS Pictogram :	GHS No : GHS05
Signal Word : Danger	UN#: 1759
Class : 8	Packing Group : Ⅲ
Hazard Statements : H302-H315-H318-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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Other Classifications

Building Blocks Functional Group Alkyne

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Life Science Click Chemistry Reagents Alkyne

Chemical Biology Pharmaceutical Development and Drug Discovery Research Conjugation Chemistry/Click Chemistry Terminal Alkynes

Chemical Biology Conjugation Chemistry/Click Chemistry Terminal Alkynes

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(4-Ethynylphenyl)diphenylphosphane

CAS No. 359017-78-0

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