Study of the structures of photodegradation impurities and pathways of photodegradation of cilnidipine by liquid chromatography/Q-Orbitrap mass spectrometry
作者:Hongxia Zeng、Fan Wang、Bingqi Zhu、Weihui Zhong、Weiguang Shan、Jian Wang
DOI:10.1002/rcm.7657
日期:2016.8.15
as much structural information as possible. RESULTS Five novel photodegradation impurities of cilnidipine were separated and identified based on the high-resolution MS/MS data. Impurity III was synthesized and its structure was confirmed by (1) H-NMR and (13) C-NMR data. Two photodegradation pathways to produce different photodegradation impurities were also revealed in this study. CONCLUSIONS Among
[EN] Drp1-FILAMIN COMPLEX FORMATION INHIBITORS<br/>[FR] INHIBITEURS DE FORMATION DE COMPLEXE DRP1-FILAMINE
申请人:UNIV KYUSHU NAT UNIV CORP
公开号:WO2020241638A1
公开(公告)日:2020-12-03
Compounds represented by formula (I) below and pharmacologically acceptable salts thereof and solvates of them; pharmaceutical compositions and dynamin-related protein 1 (Drp1)-filamin complex formation inhibitors containing them; and uses of the compounds, salts, solvates, pharmaceutical compositions, and (Drp1)-filamin complex formation inhibitors for use as a prophylactic or therapeutic agent.
Compounds represented by formula (I) below
and pharmacologically acceptable salts thereof and solvates of them; pharmaceutical compositions and dynamin-related protein 1 (Drp1)-filamin complex formation inhibitors containing them; and uses of the compounds, salts, solvates, pharmaceutical compositions, and (Drp1)-filamin complex formation inhibitors for use as a prophylactic or therapeutic agent.
Triaryl Carbonium Ion-Pair-Mediated Cooperative Aerobic Dehydrogenation of N-Heterocycles
The triphenylmethyl radical was discovered by Gomberg in 1900 and has been shown to be a persistent radical species. Surprisingly, this radical is rarely used in organic synthesis since its discovery over a century ago. Here, we report a metal-free aerobic dehydrogenation of N-heterocycles mediated by a triphenylmethyl radical generated from a triaryl carbonium ion pair as the precatalyst in the presence
三苯甲基自由基由 Gomberg 于 1900 年发现,并已被证明是一种持久性自由基。令人惊讶的是,这个自由基自一个多世纪前被发现以来很少用于有机合成。在这里,我们报道了在 TEMPO 存在下,由三芳基碳正离子对产生的三苯基甲基自由基介导的 N-杂环化合物的无金属好氧脱氢反应。该协议展示了广泛的底物范围和出色的官能团耐受性。小分子药物关键中间体的克级制备和各种地平类药物的后期功能化也证明了实用性。