Steven D. Bull, Stephen G. Davies and Michael D. O'Shea
An asymmetric synthesis of homochiral α-amino acids has been developed which is based on the conjugate addition of organocuprates to the dehydroalanine equivalent (3S)-N,N′-bis(
p-methoxybenzyl)-3-isopropyl-6-methylenepiperazine-2,5-dione 6.