SEARCH Articles Figures Tables 1,4-Dicarbonyl - from 1.2- Dicarbonyl compounds 1.3- dicarbonylic compounds Dicarbonyls 1,3-compounds From 1,5-Dicarbonyl Compounds From thiophenes Pyrroles, thiophenes, and furans from 1,4-dicarbonyl compounds Thiophene-2,5-dicarbonyls Thiophenes preparation from dicarbonyl compounds Thiophenic compounds