[Synthesis of various pyrano-pyrimidines and of a pyrano-pyrazolone].
D000447:Aldehydes; D000475:Alkenes; D001463:Barbiturates; D055598:Chemical Phenomena; D002621:Chemistry; D011714:Pyrans / Q000138:chemical synthesis; D011720:Pyrazoles / Q000138:chemical synthesis*; D011743:Pyrimidines / Q000138:chemical synthesis*
D000447:Aldehydes; D000475:Alkenes; D001463:Barbiturates; D011714:Pyrans; D011720:Pyrazoles; D011743:Pyrimidines
Uber die Darstellung einiger Pyrano-pyrimidine und eines Pyrano-pyrazolons.