3-Chloroisoxazolo[4,5-b]pyridine

Name: 3-Chloroisoxazolo[4,5-b]pyridine
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CAS No. 1784989-11-2
Cat. No. CS-0161092
Molecule weight154.55
Purity≥95%
MDL No.MFCD28515540

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3-Chloroisoxazolo[4,5-b]pyridine|CS-0161092

Structure of 1784989-11-2

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General Information

CAS No. 1784989-11-2
Cat. No. CS-0161092
Purity ≥95%
MDL No. MFCD28515540
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₃ClN₂O
Molecular Weight 154.55
Synonym(s) 3-Chloro[1,2]oxazolo[4,5-b]pyridine
SMILES ClC1=NOC2=CC=CN=C21

Description

3-Chloroisoxazolo[4,5-b]pyridine is a heterocyclic scaffold featuring a chlorinated isoxazole fused to a pyridine ring, offering enhanced electronic modulation and synthetic versatility. This robust framework integrates readily into bioactive molecules, enabling efficient access to pharmaceutical intermediates through coupling reactions under standard conditions.

Application

3-Chloroisoxazolo[4,5-b]pyridine serves as a versatile heterocyclic building block in medicinal chemistry, enabling efficient access to complex nitrogen-containing scaffolds. Its chloro substituent facilitates nucleophilic aromatic substitution, allowing for diverse functionalization under mild conditions. The fused isoxazole-pyridine core exhibits good bench stability and compatibility with common reaction workflows, making it valuable for rapid library synthesis and lead optimization campaigns.

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 38.92
LogP 1.8762
H_Acceptors 3
H_Donors 0
Rotatable_Bonds 0

Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Pyridine compounds

Building Blocks Skeleton Aromatic heterocycle compounds Isoxazole compounds

Key Words

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3-Chloroisoxazolo[4,5-b]pyridine

CAS No. 1784989-11-2

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