Properties and Reactions of Substituted 1,2-Thiazetidine 1,1-Dioxides: Chiral Mono- and Bicyclic 1,2-Thiazetidine 1,1-Dioxides fromα-Amino Acids
作者:Alexandra Meinzer、Andrea Breckel、Bassam Abu Thaher、Nico Manicone、Hans-Hartwig Otto
DOI:10.1002/hlca.200490021
日期:2004.1
New chiral mono- and bicyclic β-sultams, valuable building blocks for drug synthesis, have been prepared from L-Ala, L-Val, L-Leu, L-Ile, L-Phe, L-Cys, L-Ser, L-Thr, and D-penicillamine by transformation of the COOH group into a methylsulfonyl chloride function, followed by cyclization under basic conditions. Selected properties, derivatives, and reactions of the β-sultams are described.
β-Sultams exhibit discrete binding preferences for diverse bacterial enzymes with nucleophilic residues
作者:Roman Kolb、Nina C. Bach、Stephan A. Sieber
DOI:10.1039/c3cc46002a
日期:——
β-Sultams are potent electrophiles that modify nucleophilic residues in selected enzyme active sites. We here identify and characterize some of the specific bacterial targets and show a unique inhibition of the azoreductase family.