Syntheses of mutaaspergillic and dl-hydroxyaspergillic acids.
作者:AKIHIRO OHTA、MINORU OHTA
DOI:10.1248/cpb.31.20
日期:——
Mutaaspergillic and dl-hydroxyaspergillic acids, metabolites of aspergilli, were prepared by base-catalyzed hydroxylation of the corresponding 2-chloro-3, 6-dialkylpyrazine 1-oxides derived from DL-leucyl-valyl and DL-isoleucyl-leucyl anhydrides.