Substituted or unsubstituted-3-pyridyl and pyridyl-N-oxide-furo[3,4-e]-as-triazines, e.g., 5,7-dihydro-3-(2-pyridyl)-5,5,7,7-tetramethyl-furo[3,4-e] -as-triazine are prepared by reacting 2,2,5,5-tetramethyl-3,4(2H,5H)furandiones with substituted or unsubstituted pyridylcarboxamidic acid hydrazides and are useful as sleep inducers and minor tranquilizers.
                            取代或未取代的3-
吡啶基和
吡啶基-N-氧化物-
呋喃[3,4-e]-三嗪,例如5,7-二氢-3-(2-
吡啶基)-5,5,7,7-四甲基-
呋喃[3,4-e]-三嗪,通过将2,2,5,5-四甲基-3,4(2H,5H)
呋喃二酮与取代或未取代的
吡啶羧酰胺酸腙反应制备,并可用作催眠剂和轻度镇静剂。