Access to Benzo[<i>a</i>]carbazoles and Indeno[1,2-<i>c</i>]quinolines by a Gold(I)-Catalyzed Tunable Domino Cyclization of Difunctional 1,2-Diphenylethynes
The cyclization order of the difunctional 1,2-diphenylethynes was precisely tuned under the catalysis of gold by changing the nitrogen substitution of the substrates, leading to the facile preparation of benzo[a]carbazole and indeno[1,2-c]quinolinederivatives. The mechanisms of these domino cyclizations were probed by control experiments, and an insight into the selectivity of the cyclization was
通过改变底物的氮取代,在金的催化下精确调节了双官能1,2-二苯乙炔的环化顺序,从而轻松制备了苯并[ a ]咔唑和茚并[1,2- c ]喹啉衍生物。通过控制实验探索了这些多米诺环化的机理,并通过密度泛函理论(DFT)计算获得了对环化选择性的深入了解。这项研究代表了访问苯并[ a ]咔唑和茚并[1,2- c ]喹啉的统一而通用的方法。
PHARMACEUTICAL COMPOSITION OF SALICYLANILIDE-DERIVED SMALL MOLECULES AND PREPARATION AND APPLICATION THEREOF
申请人:CHANG Deh-Ming
公开号:US20130281412A1
公开(公告)日:2013-10-24
The present invention provides a pharmaceutical composition of salicylanilide-derived small molecules include:
(a) a compound which structure is selected from formula I or formula II:
(b) a pharmaceutically acceptable salt and excipient. The present invention also provides the synthesis method of the pharmaceutical composition and the application thereof.