Annulated Diketopiperazines from Dipeptides or Schöllkopf Reagents via Tandem Cyclization−Intramolecular N-Arylation
作者:Hwan Jung Lim、Judith C. Gallucci、T. V. RajanBabu
DOI:10.1021/ol100663y
日期:2010.5.7
Facile CuI-mediated N-arylation of diketopiperazine using the Fukuyama modification of the Ullmann−Goldberg reaction can be exploited in new approaches to enantiopure polycyclic diketopiperazinesfrom easily assembled dipeptides or functionalized Schöllkopf reagents.
NOVEL CYCLOSPORIN DERIVATIVES FOR THE TREATMENT AND PREVENTION OF A VIRAL INFECTION
申请人:Su Zhuang
公开号:US20130303438A1
公开(公告)日:2013-11-14
The present invention relates to a compound of the formula (I): or pharmaceutically acceptable salt thereof, wherein the symbols are as defined in the specification; a pharmaceutical composition comprising the same, a method for treating or preventing a viral infection using the same.
The synthesis of two marine lipodipeptides, majusculamides A and B, is described. The key feature of this synthesis is the stereoselective construction of an α-methyl-β-keto-carboxamide moiety.
描述了两种海洋脂二肽、majusculamides A 和 B 的合成。该合成的关键特征是α-甲基-β-酮-甲酰胺部分的立体选择性构建。