Solvent-free mechanochemical synthesis of diacylfuroxans
摘要:
Acetophenones with a variety of substituents could be converted to diacylfuroxans in a solvent-free reaction by combining the reagents Fe(NO3)(3)center dot 9H(2)O and P2O5 under high-speed ball milling. This reaction was facile and eco-friendly, and exhibits advantages in terms of better toleration, safety, and easier operation. The nitrate acid and nitrogen dioxide generated in situ should play a major role in this mechanochemical reaction. (C) 2019 Elsevier Ltd. All rights reserved.
Diacylfuroxans Are Masked Nitrile Oxides That Inhibit GPX4 Covalently
作者:John K. Eaton、Richard A. Ruberto、Anneke Kramm、Vasanthi S. Viswanathan、Stuart L. Schreiber
DOI:10.1021/jacs.9b10769
日期:2019.12.26
target for the treatment of, among others, drug-resistant cancers. Although most GPX4 inhibitors rely on a chloroacetamide moiety to modify covalently the protein's catalytic selenocysteine residue, the discovery and mechanisticelucidation of structurally diverse GPX4-inhibiting molecules have uncovered novel electrophilic warheads that bind and inhibit GPX4. Here, we report our discovery that diacylfuroxans