New approach to sulfonated diphosphine complexes: synthesis and amphoteric behaviour of zwitterionic [Mn+(CO4{(PPh2)2C(H)SO3−}]
Literature Information
Javier Ruiz, Mario Ceroni, Marilín Vivanco, Marta P. Gonzalo, Santiago García-Granda, Francisco van der Maelen
Oxidation of the thioketone residue in the complex [Mn(CO)4{(PPh2)2CS}]+ (2) with hydrogen peroxide affords the sulfonate derivative [Mn(CO)4{(PPh2)2C(H)SO3}] (3), which shows amphoteric behaviour in reversible acid–base processes, and is easily chlorinated to give [Mn(CO)4{(PPh2)2C(Cl)SO3}] (8).
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