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PCE
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DIFF Subgroup
C09B 3/30

Preparation from starting materials already containing the dibenzanthrone or isodibenzanthrone nucleus

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Dyes with anthracene nucleus condensed with one or more carbocyclic rings > Dibenzanthrones; Isodibenzanthrones > Preparation from starting materials already containing the dibenzanthrone or isodibenzanthrone nucleus

CPC:

Dyes with an anthracene nucleus condensed with one or more carbocyclic rings > Dibenzanthrones; Isodibenzanthrones > Preparation from starting materials already containing the dibenzanthrone or isodibenzanthrone nucleus

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

Child Classifications

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  • C09B 3/32 by halogenation IPC+CPC Available in IPC and CPC
  • C09B 3/34 by oxidation IPC+CPC Available in IPC and CPC
  • C09B 3/36 by etherification of hydroxy compounds IPC+CPC Available in IPC and CPC
  • C09B 3/38 by introduction of hydrocarbon or acyl residues into amino groups IPC+CPC Available in IPC and CPC