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Structure of 21120-68-3
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4-(4-Bromophenoxy)benzoic acid features a brominated aromatic ring linked via an ether bridge to a benzoic acid moiety, enabling direct functionalization in cross-coupling reactions. The para-bromo substituent provides a reactive handle for palladium-catalyzed transformations, while the carboxylic acid group facilitates conjugation or derivatization. This structure supports modular synthesis of bioactive compounds and advanced materials under standard conditions.
4-(4-Bromophenoxy)benzoic acid serves as a versatile building block for constructing bioactive heterocycles and pharmaceutical intermediates. The ortho-ester functionality enables reliable Suzuki-Miyaura and Ullmann coupling reactions, while the carboxylic acid group facilitates direct amidation or esterification. Bench-stable and readily purified by recrystallization, it offers excellent functional group tolerance in multi-step syntheses.
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GHS Pictogram :
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GHS No : GHS07,GHS08,GHS09
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Signal Word : Danger
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UN#: 3077
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Class : 9
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Packing Group : Ⅲ
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Hazard Statements : H302-H317-H319-H372-H400
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Precautionary Statements : P260-P261-P264-P270-P272-P273-P280-P302+P352-P330-P362+P364-P391-P501
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Lot numbers can be found on the outside label of a product: