Ethyl 5-chloro-1,2-oxazole-3-carboxylate

Name: Ethyl 5-chloro-1,2-oxazole-3-carboxylate
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CAS No. 343566-56-3
Cat. No. CS-0229917
Purity≥98%
MDL No.None

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Ethyl 5-chloro-1,2-oxazole-3-carboxylate|CS-0229917

Structure of 343566-56-3

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General Information

CAS No. 343566-56-3
Cat. No. CS-0229917
Purity ≥98%
MDL No. None
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₆ClNO₃
Molecular Weight 175.57
Synonym(s) None
SMILES CCOC(=O)C1=NOC(=C1)Cl

Description

Ethyl 5-chloro-1,2-oxazole-3-carboxylate is a bench-stable heterocyclic ester featuring a chlorine atom at the 5-position of the oxazole ring. This electron-deficient scaffold integrates readily into synthetic sequences, serving as a key building block for bioactive molecules and functional materials.

Application

Ethyl 5-chloro-1,2-oxazole-3-carboxylate serves as a versatile heterocyclic building block for medicinal chemistry and agrochemical synthesis. Its chloro substituent at the C5 position enables directed functionalization via palladium-catalyzed cross-coupling or nucleophilic substitution. The oxazole ring exhibits excellent bench stability and compatibility with common protecting groups, facilitating efficient access to complex scaffolds. The ester moiety allows for selective hydrolysis or derivatization, enhancing its utility in modular synthesis workflows.

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-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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Computational Chemistry Data

TPSA 52.33
LogP 1.5047
H_Acceptors 4
H_Donors 0
Rotatable_Bonds 2

Other Classifications

Building Blocks Functional Group Ester

Building Blocks Skeleton Aromatic heterocycle compounds Isoxazole compounds

Key Words

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Ethyl 5-chloro-1,2-oxazole-3-carboxylate

CAS No. 343566-56-3

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