Electro-oxidative cyclization: access to quinazolinones <i>via</i> K<sub>2</sub>S<sub>2</sub>O<sub>8</sub> without transition metal catalyst and base
作者:Yongzhi Hu、Huiqing Hou、Ling Yu、Sunying Zhou、Xianghua Wu、Weiming Sun、Fang Ke
DOI:10.1039/d1ra05092c
日期:——
A K2S2O8-promoted oxidative tandem cyclization of primary alcohols with 2-aminobenzamides to synthesize quinazolinones was successfully achieved under undivided electrolytic conditions without a transition metal and base. The key feature of this protocol is the utilization of K2S2O8 as an inexpensive and easy-to-handle radical surrogate that can effectively promote the reaction via a simple procedure
AK 2 S 2 O 8促进了伯醇与2-氨基苯甲酰胺的氧化串联环化以合成喹唑啉酮,在没有过渡金属和碱的不分电解条件下成功实现。该协议的主要特点是利用 K 2 S 2 O 8作为一种廉价且易于处理的自由基替代物,可以通过简单的程序有效地促进反应,从而通过形成氮杂环在恒定电流下以一锅法在室温下直接氧化环化。由于使用了连续流动的电化学装置,这种绿色、温和、实用的电合成具有高效率和优异的官能团耐受性,并且易于放大。
Pharmaceutical Compositions for the Prevention and Treatment of Complex Diseases and Their Delivery by Insertable Medical Devices
申请人:Wong Norman C.W.
公开号:US20090029987A1
公开(公告)日:2009-01-29
The present invention relates to polyphenol-like compounds that are useful for inhibiting VCAM-1 expression, MCP-1 expression and/or SMC proliferation in a mammal. The disclosed compounds are useful for regulating markers of inflammatory conditions, including vascular inflammation, and for treatment and prevention of inflammatory and cardiovascular diseases and related disease states.
Pharmaceutical compositions for the prevention and treatment of complex diseases and their delivery by insertable medical devices
申请人:Wong Norman C. W.
公开号:US08410109B2
公开(公告)日:2013-04-02
The present invention relates to polyphenol-like compounds that are useful for inhibiting VCAM-1 expression, MCP-1 expression and/or SMC proliferation in a mammal. The disclosed compounds are useful for regulating markers of inflammatory conditions, including vascular inflammation, and for treatment and prevention of inflammatory and cardiovascular diseases and related disease states.