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 carbon atoms of the hetero ring

Full Title

Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom > ortho- or peri-condensed with carbocyclic rings or ring systems > Benzo [b] furans; Hydrogenated benzo [b] furans > 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 carbon atoms of the hetero ring

Classification Context

Section:

CHEMISTRY; METALLURGY

Class:

ORGANIC CHEMISTRY

Subclass:

HETEROCYCLIC COMPOUNDS

Child Classifications

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• C07D 307/83 Oxygen atoms
• C07D 307/84 Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen