C
CHEMISTRY; METALLURGY
C
CHEMISTRY; METALLURGY
C07
ORGANIC CHEMISTRY
C07
ORGANIC CHEMISTRY
C07D
HETEROCYCLIC COMPOUNDS
C07D
HETEROCYCLIC COMPOUNDS
307/00
Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
307/00
Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
C07D307/02
not condensed with other rings
C07D307/02
not condensed with other rings
C07D307/26
having one double bond between ring members or between a ring member and a non-ring member
C07D307/26
having one double bond between ring members or between a ring member and a non-ring member
C07D307/30
with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
C07D307/30
with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms