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.
Reactions of Ethyl Diazoacetate Catalyzed by Methylrhenium Trioxide
作者:Zuolin Zhu、James H. Espenson
DOI:10.1021/jo00127a008
日期:1995.11
Organic Reactions Catalyzed by Methylrhenium Trioxide: Reactions of Ethyl Diazoacetate and Organic Azides
作者:Zuolin Zhu、James H. Espenson
DOI:10.1021/ja954039t
日期:1996.1.1
para position of phenols favors the formation of α-phenoxy ethyl acetates. The use of EDA to form α-thio ethyl acetates and N-substituted glycine ethyl esters, on the other hand, is hardly affected by the size or structure of the parent thiol or amine, with all of these reactions proceeding in high yield. MTO-catalyzed cycloaddition reactions occur between EDA and aromatic imines, olefins, and carbonyl