80687-62-3Relevant academic research and scientific papers
Syntheses of Picroroccelin Diastereomers and Their Regioisomers
Shin, Chung-gi,Nakano, Toshitaka,Sato, Yoshiaki,Kato, Haruo
, p. 1453 - 1456 (2007/10/02)
Picroroccelin, 3,6-dibenzyl-3-hydroxy-6-methoxy-1-methyl-2,5-piperazinedione, and its regioisomer were synthesized as the diastereomeric mixtures from glycine anhydride via 3,6-dibenzylidene-1-methyl-2,5-piperazinedione by eight steps.
α, β-UNSATURATED CARBOXYLIC ACID DERIVATIVES. 20. n-METHYLATION OF α-DEHYDROAMINO ACID ESTER ITS CYCLIC DIPEPTIDE FROM VARIOUS ROUTES
Shin, Chung-gi,Sato, Yoshiaki,Hayakawa, Masato,Kondo, Masamichi,Yoshimura, Juji
, p. 1573 - 1578 (2007/10/02)
The selective N-methylation of 1-, 4-, and 1,4-positions of individual 3- and 3,6-dialkylidene-2,5-piperazinediones (PDO) either by the cyclization of α-dehydroamino acid ester with methylamine or by the reaction of PDO with methyl iodide in the presence
