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Structure of 1211526-56-5
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4-Bromo-2-chloro-3-fluoropyridine is a halogenated pyridine derivative featuring strategically positioned bromo, chloro, and fluoro substituents. This combination enables selective functionalization in late-stage diversification of pharmaceutical intermediates. The molecule exhibits enhanced reactivity in transition metal-catalyzed cross-coupling processes due to its electron-deficient aromatic core and orthogonal halogen handles. Its bench-stable nature supports reliable handling under standard conditions.
4-Bromo-2-chloro-3-fluoropyridine serves as a versatile trifunctional pyridine building block in medicinal chemistry and agrochemical synthesis. Its orthogonal halogen reactivity enables sequential cross-coupling reactions, including Suzuki-Miyaura and Buchwald-Hartwig transformations, under mild conditions. The compound exhibits excellent bench stability and facilitates efficient late-stage functionalization due to predictable regioselectivity and tolerance of diverse functional groups.
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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-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Lot numbers can be found on the outside label of a product: