In this Letter, the alpha-fluoro-beta-amino acid directives were elegantly generated via a novel strategy of the nucleophilic addition of arynes and aziridines. C-N bonds were successfully constructed with high efficiency. With the utilization of TABF hydrate as the fluorinated reagent, fluorine atom could be assembled into the target molecule selectively. Interestingly, under another condition, unexpected indole spiro-derivatives could be achieved successfully. (C) 2014 Elsevier Ltd. All rights reserved.
Aziridines as templates: A general strategy for the stereospecific synthesis of 2-azetidinones
作者:S. D. Sharma、Seema Kanwar、Shivani Rajpoot
DOI:10.1002/jhet.5570430103
日期:2006.1
stereochemistry of these compounds has been determined by spectroscopic methods. Further, greater diversity of β-lactams via ring expansion of these azridines-2-carboxylates were obtained by a general, efficient and direct stereospecific approach.