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Structure of 1351813-70-1
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7-Bromo-5-chloro-1H-pyrazolo[4,3-b]pyridine features a fused bicyclic core with strategically positioned halogens enabling direct functionalization in cross-coupling reactions. The electron-deficient pyridine ring facilitates nucleophilic substitution, while the bromo and chloro substituents offer orthogonal reactivity for sequential derivatization. This scaffold integrates readily into complex heterocycles used in medicinal chemistry and materials science.
7-Bromo-5-chloro-1H-pyrazolo[4,3-b]pyridine serves as a versatile heterocyclic building block for the synthesis of bioactive compounds, enabling palladium-catalyzed cross-coupling reactions due to its well-defined halogen positions. The bromo and chloro substituents offer orthogonal reactivity, facilitating sequential functionalization in medicinal chemistry and materials science applications. Its bench-stable nature and compatibility with standard coupling protocols make it ideal for modular scaffold construction in API development and chemical library synthesis.
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GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302-H315-H319-H335
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P362+P364-P405-P501
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Lot numbers can be found on the outside label of a product: