Reaction of 3-Hydroxyquinoline-2,4-dione
✍
Vladimír Mrkvička; Antonín Lyčka; Robert Vícha; Antonín Klásek
📂
Article
📅
2011
🏛
John Wiley and Sons
🌐
German
⚖ 195 KB
## Abstract 3‐Hydroxyquinoline‐2,4‐diones **1** react with isocyanates to give novel 1,2,3,4‐tetrahydro‐2,4‐dioxoquinolin‐3‐yl (alkyl/aryl)carbamates **2** and/or 1,9b‐dihydro‐9b‐hydroxyoxazolo[5,4‐__c__]quinoline‐2,4(3a__H__,5__H__)‐diones **3**. Both of these compounds are converted, by boiling i