The furan approach to thiacyclic compounds. Stereoselective synthesis of 2,3-disubstituted tetrahydrothiopyrans
作者:Seila Boullosa、Zoila Gándara、Manuel Pérez、Generosa Gómez、Yagamare Fall
DOI:10.1016/j.tetlet.2008.04.077
日期:2008.6
We describe an efficient new approach to the synthesis of thiacyclic compounds that extends the methodology we previously developed for oxacycles: oxidation of a furan ring with singlet oxygen, followed by intramolecular hetero Michael addition. The new approach provides a new entry to nucleoside analogues and α-glucosidase inhibitors.
Synthesis and Biological Evaluation of Dimeric Furanoid Macroheterocycles: Discovery of New Anticancer Agents
作者:K. C. Nicolaou、Christian Nilewski、Christopher R. H. Hale、Christopher F. Ahles、Chiao An Chiu、Christian Ebner、Abdelatif ElMarrouni、Lifeng Yang、Katherine Stiles、Deepak Nagrath
DOI:10.1021/jacs.5b00141
日期:2015.4.15
A recently developed dimerization/macrocyclization was employed to synthesize a series of macroheterocycles which were biologically evaluated, leading to the discovery of a number of potent cytotoxic agents (e.g., 27: GI50 = 51 nM against leukemia CCRF-CEM cell line; 29: GI50 = 99 nM against melanoma MDA-MB-435 cell line). Further biological studies support an apoptosis mechanism of action for these