Selective Derivatization of N-Terminal Cysteines Using Cyclopentenediones

作者: Omar Brun , Jordi Agramunt , Lluis Raich , Carme Rovira , Enrique Pedroso

DOI: 10.1021/ACS.ORGLETT.6B02301

关键词:

摘要: The outcome of the Michael-type reaction between thiols and 2,2-disubstituted cyclopentenediones varies depending on thiol. Stable compounds with two fused rings were formed upon 1,2-aminothiols (such as N-terminal cysteines in peptides). Other gave reversibly adducts that equilibrium starting materials. This differential reactivity allows differently placed to be distinguished has been exploited prepare bioconjugates incorporating or three different moieties.

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