Convenient Synthesis of Fragment E of Antibiotic, Nosiheptide
摘要:
A convenient synthesis of Fragment E, 4-hydroxymethyl-3-methylindole-2-carboxylic acid (1), from 2-methyl-3-nitrobenzyl alcohol through six steps conversion in 32% overall yield is described.
A convenient synthesis of Fragment E, 4-hydroxymethyl-3-methylindole-2-carboxylic acid (1), from 2-methyl-3-nitrobenzyl alcohol through six steps conversion in 32% overall yield is described.
Total Synthesis of Nosiheptide
作者:K. Philip Wojtas、Matthias Riedrich、Jin-Yong Lu、Philipp Winter、Thomas Winkler、Sophia Walter、Hans-Dieter Arndt
DOI:10.1002/anie.201603140
日期:2016.8.8
Totalsynthesis of the bismacrocyclic thiopeptide antibiotic nosiheptide was achieved through the assembly of a fully functionalized linear precursor followed by consecutive macrocyclizations. Key features are a critical macrothiolactonization and a mild deprotection strategy for the 3‐hydroxypyridine core. The natural product was identical to isolated authentic material in terms of spectral data and