2-Ethynyl-1,1'-biphenyl

Name: 2-Ethynyl-1,1'-biphenyl
Brand: ChemScene
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CAS No. 52889-62-0
Cat. No. CS-0169597
Purity≥98%
MDL No.MFCD28016698

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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+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

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Structure of 52889-62-0

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General Information

CAS No. 52889-62-0
Cat. No. CS-0169597
Purity ≥98%
MDL No. MFCD28016698
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₁₄H₁₀
Molecular Weight 178.23
Synonym(s) 1-Ethynyl-2-phenylbenzene
SMILES C#CC1=CC=CC=C1C2=CC=CC=C2

Description

2-Ethynyl-1,1'-biphenyl delivers a rigid, electron-deficient arylacetylene scaffold ideal for cross-coupling and click chemistry. This bench-stable, moisture-tolerant building block integrates seamlessly into complex architectures, enabling efficient access to conjugated materials and functionalized biaryls under standard conditions.

Application

2-Ethynyl-1,1'-biphenyl serves as a versatile building block in transition-metal-catalyzed coupling reactions, enabling efficient access to conjugated biaryl architectures. Its terminal alkyne functionality exhibits high compatibility with Sonogashira, Glaser, and Cadiot-Chodkiewicz couplings, facilitating the construction of extended π-systems. The molecule demonstrates excellent bench stability and facilitates straightforward purification, making it well-suited for iterative synthetic workflows in pharmaceutical and materials chemistry.

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 : H315-H319-H335
Precautionary Statements : P261-P264-P271-P280-P302+P352-P304+P340-P362+P364-P405-P501

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Computational Chemistry Data

TPSA 0
LogP 3.3349
H_Acceptors 0
H_Donors 0
Rotatable_Bonds 1

Other Classifications

Building Blocks Functional Group Alkyne

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Chemical Biology Conjugation Chemistry/Click Chemistry Terminal Alkynes

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

Key Words

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2-Ethynyl-1,1'-biphenyl

CAS No. 52889-62-0

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