Concise Synthesis of Tunicamycin V and Discovery of a Cytostatic DPAGT1 Inhibitor
作者:Katsuhiko Mitachi、David Mingle、Wendy Effah、Antonio Sánchez‐Ruiz、Kirk E. Hevener、Ramesh Narayanan、William M. Clemons、Francisco Sarabia、Michio Kurosu
DOI:10.1002/anie.202203225
日期:2022.8
Büchner–Curtius–Schlotterbeck-type reaction enabled the total synthesis of tunicamycin V (TN-V), a nonselective phosphotransferase inhibitor, in just 15 steps from D-galactal in 21 % overall yield. The short and high-yielding synthetic route was also adapted for the synthesis of analogues, thus leading to the discovery of a novel cytostatic tunicamycinanalogue, TN-TMPA, with high DPAGT1 selectivity.
Unstabilized diazo derivatives from carbohydrates. Application to the synthesis of 2-deamino-tunicamine and products related to C-disaccharides
作者:Francisco Sarabia-García、F Jorge López-Herrera、María S Pino González
DOI:10.1016/0040-4020(95)00210-y
日期:1995.5
We applied a new synthetic method to C-disaccharides to obtain 2-deamino-tunicamine, the 2-hydroxy analogue of tunicamine, which is the main nucleus of tunicamycin antibiotics. 6-Deoxy-6-diazo-1:2,3:4-di-O-isopropylidene-D-galactopyranose was synthesized and reacted with methyl 2,3-O-isopropylidene-β-D-ribopentonodialdo-1,4-furanoside, to obtain a mixture of ketone and an epoxide with C-disaccharide