Electrotelluration: A New Approach to Tri- and Tetrasubstituted Alkenes
作者:Joseph P. Marino、Hanh Nho Nguyen
DOI:10.1021/jo0110146
日期:2002.9.1
described in which a Michael addition of an alkyl or aryl tellurolate anion occurs onto an activated alkyne with subsequent trapping of a vinyl anion with electrophiles (aldehydes and ketones) other than a proton. This process provides an efficient regio- and stereospecific route to tri- and tetrasubstitutedalkenes. Methodologically significant examples of this chemistry were studied in which aryl and alkyl