1-Phenyl-but-2-en-1-one

Name: 1-Phenyl-but-2-en-1-one
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CAS No. 495-41-0
Cat. No. CS-W010991
Purity≥80%
MDL No.MFCD00059386

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Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
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General Information

CAS No. 495-41-0
Cat. No. CS-W010991
Purity ≥80%
MDL No. MFCD00059386
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₁₀H₁₀O
Molecular Weight 146.19
Synonym(s) Crotonophenone
SMILES C/C=C/C(C1=CC=CC=C1)=O

Description

1-Phenyl-but-2-en-1-one features a conjugated enone system with a phenyl group directly attached to the carbonyl, enhancing electronic delocalization. This structure enables participation in Michael additions and Diels-Alder reactions under mild conditions. The compound exhibits good stability under standard bench handling and serves as a key intermediate in synthetic routes toward functionalized aromatic ketones.

Application

1-Phenyl-but-2-en-1-one serves as a versatile α,β-unsaturated ketone scaffold in synthetic organic chemistry. Its conjugated enone system enables reliable Michael additions, Diels-Alder cycloadditions, and palladium-catalyzed coupling reactions. Bench-stable and readily purified by recrystallization, it functions effectively as a building block for heterocyclic systems and complex natural product intermediates.

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
Precautionary Statements : P264-P270-P330-P501

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Computational Chemistry Data

TPSA 17.07
LogP 2.4454
H_Acceptors 1
H_Donors 0
Rotatable_Bonds 2

Other Classifications

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Key Words

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1-Phenyl-but-2-en-1-one

CAS No. 495-41-0

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