Manganic acetate mediated transformation of enol-ethers into gamma-lactones
作者:Michelle del Rosario-Chow、Jiraporn Ungwitayatorn、Bruce L. Currie
DOI:10.1016/s0040-4039(00)74474-1
日期:1991.2
Manganic acetate and potassium methyl malonate with a 2-substituted dihydropyran provide the corresponding fused gamma-lactone in good yield. Carboxylic acids with less acidic methylene protons fail in this reaction.
The present invention relates to quinazolinones and related compounds which are inhibitors of PARP14 and are useful, for example, in the treatment of cancer and inflammatory diseases.
本发明涉及喹唑啉酮类及相关化合物,它们是 PARP14 的抑制剂,可用于治疗癌症和炎症等疾病。
QUINAZOLINONES AS PARP14 INHIBITORS
申请人:Ribon Therapeutics Inc.
公开号:US20190194174A1
公开(公告)日:2019-06-27
The present invention relates to quinazolinones and related compounds which are inhibitors of PARP14 and are useful, for example, in the treatment of cancer and inflammatory diseases.
Olefin Amine (OLA) Reagents for the Synthesis of Bridged Bicyclic and Spirocyclic Saturated N-Heterocycles by Catalytic Hydrogen Atom Transfer (HAT) Reactions
作者:Ya-Yi Wang、Jeffrey W. Bode
DOI:10.1021/jacs.9b05074
日期:2019.6.19
spiro-, and fused rings. The OLA reagents are easily prepared and allow the synthesis of complex molecular frameworks under operationally simple conditions that tolerate a wide array of functional groups. Investigations into the Mn or Fe promoted reaction pathway support a metal hydride hydrogen atom transfer (MH-HAT) to generate a C-centered radical that undergoes addition to an unactivated imine
螺旋和桥连双环结构需要富含 sp3 的框架,这些框架提供独特的理化性质和精确定位的取代基。为了以交叉偶联方式快速访问此类分子,我们描述了烯烃胺 (OLA) 试剂,用于将醛和酮转化为所有三种拓扑类型的双环 N-杂环:桥环、螺环和稠环。OLA 试剂很容易制备,并允许在操作简单的条件下合成复杂的分子框架,可耐受多种官能团。对 Mn 或 Fe 促进的反应途径的研究支持金属氢化物氢原子转移 (MH-HAT) 以生成 C 中心自由基,该自由基与未活化的亚胺加成,导致 N 中心自由基。