[Studies on making use of gamma-butyrolactone. VIII. On the synthesis of condensed dihydrothiophenes].
D015107:4-Butyrolactone; D007783:Lactones / Q000737:chemistry*; D011743:Pyrimidines / Q000737:chemistry*; D011804:Quinolines / Q000737:chemistry*
D007783:Lactones; D011743:Pyrimidines; D011804:Quinolines; D015107:4-Butyrolactone
LACTONES/chemistry; PYRIMIDINES/chemistry; QUINOLINES/chemistry