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SulfonamidesQ 0560 DOI: 10.1002/chin.201002092

Iron-Catalyzed Sulfonylimine Synthesis under Neutral Conditions. — The con-densation of aromatic (I) and enolizable aliphatic aldehydes (IV) with sulfonamides (II) proceeds smoothly in the presence of FeCl3 catalyst under mild conditions to give the corresponding sulfonylimines (III) and (V), resp., in good yields. — (WU, X.-F.; VOVARD-LE BRAY, C.; BECHKI, L.; DARCEL*, C.; Tetrahedron 65 (2009) 36, 7380-7384; Catal. Organomet., CNRS, Univ. Rennes, F-35042 Rennes, Fr.; Eng.) — Mischke

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