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Structure of 940934-47-4
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This diphosphine ligand features a sterically shielded xanthene backbone with bulky dicyclohexylphosphino groups, enabling robust coordination in palladium-catalyzed cross-coupling reactions. The electron-rich phosphorus centers enhance metal-ligand synergy, while the dimethyl substitution stabilizes the complex under reaction conditions.
4,5-Bis(dicyclohexylphosphino)-9,9-dimethyl-9H-xanthene serves as a robust, bench-stable ligand in palladium-catalyzed cross-coupling reactions. Its sterically demanding dicyclohexylphosphino groups enhance catalyst stability and turnover, while the xanthene backbone provides electronic tuning. The ligand facilitates efficient coupling of aryl halides and pseudohalides under mild conditions, enabling broad functional group tolerance and simplified purification—ideal for complex molecule synthesis in medicinal chemistry and process development.
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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: