Synthesis and anti-tumor activity of marine alkaloids
作者:Shiyang Zhou、Gangliang Huang、Guangying Chen
DOI:10.1016/j.bmcl.2021.128009
日期:2021.6
Marine alkaloids were divided into five categories from the perspective of anti-tumor activity. The optimization process, chemical synthesis, anti-tumor activity evaluation and structure–activity relationship of various compounds were discussed.
Predictive Model for Site-Selective Aryl and Heteroaryl C–H Functionalization via Organic Photoredox Catalysis
作者:Kaila A. Margrey、Joshua B. McManus、Simone Bonazzi、Frederic Zecri、David A. Nicewicz
DOI:10.1021/jacs.7b06715
日期:2017.8.16
Direct C–Hfunctionalization of aromatic compounds is a useful synthetic strategy that has garnered much attention because of its application to pharmaceuticals, agrochemicals, and late-stage functionalization reactions on complex molecules. On the basis of previous methods disclosed by our lab, we sought to develop a predictive model for site selectivity and extend this arylfunctionalization chemistry
Rhodium(III)-Catalyzed Dehydrogenative Annulation and Spirocyclization of 2-Arylindoles and 2-(1<i>H</i>-Pyrazol-1-yl)-1<i>H</i>-indoles with Maleimides: A Facile Access to Isogranulatimide Alkaloid Analogues
作者:Vikki N. Shinde、Krishnan Rangan、Dalip Kumar、Anil Kumar
DOI:10.1021/acs.joc.0c02467
日期:2021.2.5
A Rh(III)-catalyzed dehydrogenative annulation and spirocyclization of 2-arylindoles and 2-(1H-pyrazol-1-yl)-1H-indole with maleimides is described. The cascade protocol provided highly functionalized benzo[a]pyrrolo[3,4-c]carbazole-1,3(2H,8H)-diones and spiro[isoindolo[2,1-a]indole-6,3′-pyrrolidine]-2′,5′-diones in good to excellent. The developed reaction methodology exhibited broad substrate scope
描述了Rh(III)催化的2-芳基吲哚和2-(1H-吡唑-1-基)-1H-吲哚与马来酰亚胺的脱氢环化和螺环化。级联方案提供了高度官能化的苯并[ a ]吡咯并[3,4- c ]咔唑-1,3(2 H,8 H)-二酮和螺[异吲哚并[ 2,1- a ]吲哚-6,3'-吡咯烷] -2',5'-二烯良好。发达的反应方法具有广泛的底物范围和良好的官能团耐受性,并且操作简单且可扩展。研究了环状产物的光物理性质。2-(1 H-吡唑-1-基)-1 H的环状产物与2-苯基吲哚相比,-吲哚显示出高的吸收和发射值,并且具有大的红移。
Synthesis of two series of pyrazolic analogues of the marine alkaloids granulatimide and isogranulatimide as potent Checkpoint 1 kinase inhibitors
addition of the intermediates on dibromomaleimide, the so-obtained acyclic adducts being finally photochemically cyclised to the desired analogues. Compounds of the second series were obtained by reacting different 5-substituted-indole-3-glyoxylates with N-Boc-pyrazole-3-acetamide and subsequent photochemicalcyclisation of the adducts.