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Structure of 877173-84-7
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3-Bromo-7-chloropyrazolo[1,5-a]pyrimidine features a fused heterocyclic core with orthogonal halogen substituents enabling selective cross-coupling reactions. The bromine at the 3-position and chlorine at the 7-position provide complementary reactivity for sequential functionalization in medicinal chemistry and materials synthesis under standard conditions.
3-Bromo-7-chloropyrazolo[1,5-a]pyrimidine serves as a versatile building block in medicinal chemistry, enabling late-stage functionalization via Pd-catalyzed cross-coupling reactions. The bromo and chloro substituents provide orthogonal reactivity for sequential derivatization, while the pyrazolopyrimidine core offers structural rigidity and hydrogen-bonding capacity. Its bench-stable nature and compatibility with standard reaction conditions facilitate efficient synthesis of kinase inhibitors and other heterocyclic scaffolds.
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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#: 2811
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Class : 6.1
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Packing Group : Ⅲ
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Hazard Statements : H302-H315-H319-H335
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Precautionary Statements : P260-P264-P270-P271-P280-P301+P310-P302+P352-P304+P340-P305+P351+P338-P312-P330-P332+P313-P337+P313-P362+P364-P403+P233-P405-P501
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Lot numbers can be found on the outside label of a product: