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Synthesis of nonalternant PHs 112, 117, and 121. MesMgBr: mesitylmagnesium bromide; Pd(PPh3)2Cl2: bis(triphenylphosphine)palladium(II) chloride; (Bpin)2: bis(pinacolato)diboron; SPhos: 2‐dicyclohexylphosphino‐2′,6′‐dimethoxy‐1,1′‐biphenyl; K3PO4: potassium phosphate tribasic; Pd2(dba)3: tris(dibenzylideneacetone)dipalladium(0).[ 100 ]
