Synthesis of Pyrrole‐2‐Carboxylic Acid from Cellulose‐ and Chitin‐Based Feedstocks Discovered by the Automated Route Search
作者:Thuy Trang Pham、Zhen Guo、Bing Li、Alexei A. Lapkin、Ning Yan
DOI:10.1002/cssc.202300538
日期:2024.2.8
from different origins. After an extensive analysis of chemical reactions recorded in extensive databases, several promising synthetic routes were shortlisted, with the reaction of D-glucosamine and pyruvic acid being the most interesting to make pyrrole-2-carboxylic acid (PCA). The optimized synthetic conditions resulted in 50 % yield of PCA, with insights gained from temperature variant NMR studies.
One-Pot Friedel–Crafts/Robinson–Gabriel Synthesis of the Indole-Oxazole Scaffold and Its Application to the Synthesis of Breitfussins C, G, and H
作者:Evan Savelson、Jetze J. Tepe
DOI:10.1021/acs.joc.2c00033
日期:2023.1.20
indole-oxazole scaffold is found in a range of biologically active natural products, including the breitfussin family. Divergent methods that provide access to the indole-oxazole template are relatively scarce, which impedes the widerexploration of these natural products and their exciting biological activity. Herein, we describe a highly divergent synthesis of the indole-oxazole scaffold via a one-pot
吲哚-恶唑支架存在于一系列具有生物活性的天然产物中,包括 breitfussin 家族。提供获得吲哚-恶唑模板的发散方法相对稀缺,这阻碍了对这些天然产物及其令人兴奋的生物活性的更广泛探索。在此,我们描述了通过一锅 Friedel-Crafts/Robinson-Gabriel 合成高度发散的吲哚-恶唑支架合成,以及该方法在 breitfussins C、G 和 H 合成中的应用。