p. 1527 - 1530
(2000)allyl bromide
(S)-3-tert-Butylcarbamoyl-4-((2S,4R)-4-carboxy-2-hydroxy-5-phenyl-pentyl)-piperazine-1-carboxylic acid tert-butyl ester
dihydro-5(S)-<<4-<(1,1-dimethylethoxy)carbonyl>-2(S)-(N-tert-butylcarbamoyl)piperazinyl>methyl>-3(R)-(phenylmethyl)-3(2H)-furanone