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Journals and Conferences
Ring A was transformed and new A-homo-4-aza- and 3-cyano-3,4-seco-olean-4-ene derivatives of 3β-hydroxy18βH-olean-9,12-dien-30-oic acid were synthesized.
A-Homo-4-aza-3-oxo- and 3-cyano-3,4-seco-olean-4,12-diene derivatives of 11-deoxo-glycyrrhetic acid were synthesized by first- and second-order Beckmann rearrangement of… (More)
A new A-noroleanane triterpenoid with an altered pentacyclic skeleton of 2,11-dioxo-norolean A(1)-12,18(19)dien-30-oic acid based on 18,19-dehydroglycyrrhetic acid was synthesized.
12-Oxo derivatives of 11-desoxolycyrrhetic acid and its derivatives were produced by oxidative transformation using ozone. Olean-3,12-dion-30-oic acid was produced for the first time by exhaustive… (More)
Conjugates of glycyrrhetic acid (GLA) with amino acids (L-isoleucine, -leucine, -valine, and -phenylalanine) were synthesized by the acid-chloride method using methyl or tert-butyl esters of the… (More)