Synthesis 2008(14): 2288-2292  
DOI: 10.1055/s-2008-1078446
PAPER
© Georg Thieme Verlag Stuttgart ˙ New York

Rhodium-Catalyzed Allylic Alkylations as Key Steps in the Synthesis of Cyclic α-Alkylated Amino Acids

Daniel Stolz, Uli Kazmaier*
Institut für Organische Chemie, Universität des Saarlandes, Geb. C4.2, 66123 Saarbrücken, Germany
Fax: +49(681)3022409; e-Mail: kazmaier@mx.uni-saarland.de;
Further Information

Publication History

Received 1 May 2008
Publication Date:
11 June 2008 (online)

Abstract

Sequential allylations of chelated enolates give rise to α,α-diallylated amino acids, which can be subjected to palladium-catalyzed cyclizations; bicyclic amino acids with a ketone functionality are formed under a carbon monoxide atmosphere by carbonylation.