This article describes a new, useful synthetic tool, the "Non-Oxidative" Chloro-Pummerer Reaction (NOCPR), which allows for the use of enantiomerically pure ?-Li alkylsulfoxides as chiral ?-chloroalkyl carbanions with N-protected imines. In this reaction the sulfinyl group of N-alkoxycarbonyl-?-sulfinylamines derived from aryl-, fluoroalkyl- and alkylimines is displaced by a chlorine atom in a one-pot reaction with clean stereoinversion at carbon. Several 1,2-chloroamines produced via NOCPR were transformed into the corresponding aziridines. © Wiley-VCH Verlag GmbH, 69451 Weinheim, Germany, 2002.
The "Non-Oxidative" Chloro-Pummerer Reaction: Novel stereospecific entry to vicinal chloroamines and aziridines
Panzeri Walter;
2002
Abstract
This article describes a new, useful synthetic tool, the "Non-Oxidative" Chloro-Pummerer Reaction (NOCPR), which allows for the use of enantiomerically pure ?-Li alkylsulfoxides as chiral ?-chloroalkyl carbanions with N-protected imines. In this reaction the sulfinyl group of N-alkoxycarbonyl-?-sulfinylamines derived from aryl-, fluoroalkyl- and alkylimines is displaced by a chlorine atom in a one-pot reaction with clean stereoinversion at carbon. Several 1,2-chloroamines produced via NOCPR were transformed into the corresponding aziridines. © Wiley-VCH Verlag GmbH, 69451 Weinheim, Germany, 2002.File in questo prodotto:
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