Transition metal-catalyzed process for addition of amines to carbon-carbon double bonds
申请人:Yale University
公开号:US06384282B2
公开(公告)日:2002-05-07
The present invention is directed to a process for addition of amines to carbon-carbon double bonds in a substrate, comprising: reacting an amine with a compound containing at least one carbon-carbon double bond in the presence a transition metal catalyst under reaction conditions effective to form a product having a covalent bond between the amine and a carbon atom of the former carbon-carbon double bond. The transition metal catalyst comprises a Group 8 metal and a ligand containing one or more 2-electron donor atoms. The present invention is also directed to enantioselective reactions of amine compounds with compounds containing carbon-carbon double bonds, and a calorimetric assay to evaluate potential catalysts in these reactions.
The present invention relates to compounds that are useful in the treatment of viruses belonging to Flaviviridae, including flaviviruses, pestiviruses, and hepaciviruses. The invention includes compounds useful for the treatment or prophylaxis of dengue fever, yellow fever, West Nile virus, and HCV.
The present invention relates to compounds that are useful in the treatment of human papillomaviruses, and also to the methods for the making and use of such compounds.
本发明涉及用于治疗人类乳头瘤病毒的化合物,以及制备和使用这些化合物的方法。
Chemical compounds
申请人:SmithKline Beecham Corporation
公开号:US07622494B2
公开(公告)日:2009-11-24
The present invention relates to compounds that are useful in the treatment of human papillomaviruses, and also to the methods for the making and use of such compounds.
本发明涉及用于治疗人类乳头瘤病毒的化合物,以及制造和使用这种化合物的方法。
Redox-Neutral Intramolecular Dearomative Spirocyclization of Phenols Induced by Visible Light
spirocyclohexadienone. Mechanistic experiments revealed that the arylhalide was reduced to aryl radical via the single-electron transfer (SET) process under visible light irradiation. The electrophilic addition of an aryl radical with the phenolate anion moiety gave a radical anion intermediate, which recycled the photocatalyst by a second SET process.
本文描述的是由可见光诱导的氧化还原中性分子内脱芳环化。光化学环化由酚盐阴离子衍生的光催化剂催化,并产生螺环己二烯酮。机理实验表明,芳基卤化物在可见光照射下通过单电子转移 (SET) 过程还原为芳基自由基。芳基与酚盐阴离子部分的亲电加成产生自由基阴离子中间体,通过第二个 SET 过程回收光催化剂。