[DE] DIHYDROPTERIDINONDERIVATE, VERFAHREN ZU DEREN HERSTELLUNG UND DEREN VERWENDUNG ALS ARZNEIMITTEL [EN] DIHYDROPTERIDINONE DERIVATIVES, METHODS FOR THE PRODUCTION THEREOF AND THEIR USE AS MEDICAMENTS [FR] DERIVES DE DIHYDROPTERIDINONE, PROCEDE POUR LES PRODUIRE ET UTILISATION DE CEUX-CI COMME MEDICAMENTS
[DE] DIHYDROPTERIDINONDERIVATE, VERFAHREN ZU DEREN HERSTELLUNG UND DEREN VERWENDUNG ALS ARZNEIMITTEL [EN] DIHYDROPTERIDINONE DERIVATIVES, METHODS FOR THE PRODUCTION THEREOF AND THEIR USE AS MEDICAMENTS [FR] DERIVES DE DIHYDROPTERIDINONE, PROCEDE POUR LES PRODUIRE ET UTILISATION DE CEUX-CI COMME MEDICAMENTS
Visible-Light-Mediated Nitration of Protected Anilines
作者:Simon J. S. Düsel、Burkhard König
DOI:10.1021/acs.joc.7b03260
日期:2018.3.2
The photocatalytic nitration of protected anilines proceeds with riboflavin tetraacetate as an organic photoredox catalyst. Sodium nitrite serves as the NO2 source in this visible-light-driven room temperature reaction. Various nitroanilines are obtained in moderate to good yields without the addition of acid or stoichiometric oxidation agents. The catalytic cycle is closed by aerial oxygen as the
New dihydropteridione derivatives, process for their manufacture and their use as medicament
申请人:Grauert Matthias
公开号:US20060046989A1
公开(公告)日:2006-03-02
Disclosed are new dihydropteridinones of the formula (I)
wherein the groups L, R
1
, R
2
, R
3
, R
4
and R
5
have the meanings provided herein, the isomers thereof, processes for preparing these dihydropteridinones and their use as pharmaceutical compositions.