Arylsulfonamides act as efficient locking fragments in the Ni(II) template cyclization of open-chain tetramines, in the presence of formaldehyde, to give cyclam-like azamacrocycles. In particular, if ferrocenesulfonamide is used, a ferrocene-metallocyclam conjugate is obtained, which releases two electrons according to two distinct and consecutive one-electron steps (Fc/Fc+ and Ni(II)/Ni(III))
TEMPLATE SYNTHESIS OF A FERROCENE METALLOCYCLAM CONJUGATE
FABBRIZZI, LUIGI;LICCHELLI, MAURIZIO;MANGANO, CARLO PAOLO;PALLAVICINI, PIERSANDRO
1992-01-01
Abstract
Arylsulfonamides act as efficient locking fragments in the Ni(II) template cyclization of open-chain tetramines, in the presence of formaldehyde, to give cyclam-like azamacrocycles. In particular, if ferrocenesulfonamide is used, a ferrocene-metallocyclam conjugate is obtained, which releases two electrons according to two distinct and consecutive one-electron steps (Fc/Fc+ and Ni(II)/Ni(III))File in questo prodotto:
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