... Tetrahedron. Volume 53, Issue 13, 31 March 1997, Pages 4769–4778. ... Abstract. The Julia's olefination reaction between the sulfone derivative (10) and the aldehyde (13) (both obtained from L-phenylalanine) followed by debenzylation led to the formation (2S,5S,3E)-2,5-bis-[(1,1 ...