[Synthesis of chromenocoumarins according E. Späth].
D002626:Chemistry, Pharmaceutical; D003374:Coumarins / Q000138:chemical synthesis*; D005559:Formamides; D006358:Hot Temperature; D008722:Methods
D003374:Coumarins; D005559:Formamides
Zur Synthese von Chromenocumarinen nach E. Späth.