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  • C07D311/00
    		•  Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings [2] HB CC 4C062
  • C07D311/02
    		•  .ortho- or peri-condensed with carbocyclic rings or ring systems [2] HB CC 4C062
  • C07D311/04
    		•  ..Benzo [b] pyrans, not hydrogenated in the carbocyclic ring [2] HB CC 4C062
  • C07D311/06
    		•  ...with oxygen or sulfur atoms directly attached in position 2 [2] HB CC 4C062
  • C07D311/08
    		•  ....not hydrogenated in the hetero ring [2] HB CC 4C062
  • C07D311/10
    		•  .....unsubstituted [2] HB CC 4C062
  • C07D311/12
    		•  .....substituted in position 3 and unsubstituted in position 7 [2] HB CC 4C062
  • C07D311/14
    		•  .....substituted in position 6 and unsubstituted in position 7 [2] HB CC 4C062
  • C07D311/16
    		•  .....substituted in position 7 [2] HB CC 4C062
  • C07D311/16,101
    		•  ......Oxygen atom directly bonded to the seventh position HB CC 4C062
  • C07D311/18
    		•  .....substituted otherwise than in position 3 or 7 [2] HB CC 4C062
  • C07D311/20
    		•  ....hydrogenated in the hetero ring [2] HB CC 4C062
  • C07D311/22
    		•  ...with oxygen or sulfur atoms directly attached in position 4 [2] HB CC 4C062
  • C07D311/24
    		•  ....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 in position 2 [2] HB CC 4C062
  • C07D311/26
    		•  ....with aromatic rings attached in position 2 or 3 [2] HB CC 4C062
  • C07D311/28
    		•  .....with aromatic rings attached in position 2 only [2] HB CC 4C062
  • C07D311/30
    		•  ......not hydrogenated in the hetero ring, e.g. flavones [2] HB CC 4C062
  • C07D311/32
    		•  ......2, 3-Dihydro derivatives, e.g. flavanones [2] HB CC 4C062
  • C07D311/34
    		•  .....with aromatic rings attached in position 3 only [2] HB CC 4C062
  • C07D311/36
    		•  ......not hydrogenated in the hetero ring, e.g. isoflavones [2] HB CC 4C062
  • C07D311/38
    		•  ......2, 3-Dihydro derivatives, e.g. isoflavanones [2] HB CC 4C062
  • C07D311/40
    		•  .....Separation, e.g. from natural material; Purification [2] HB CC 4C062
  • C07D311/42
    		•  ...with oxygen or sulfur atoms in positions 2 and 4 [2] HB CC 4C062
  • C07D311/44
    		•  ....with one hydrogen atom in position 3 [2] HB CC 4C062
  • C07D311/46
    		•  .....unsubstituted in the carbocyclic ring [2] HB CC 4C062
  • C07D311/48
    		•  ......with two such benzopyran radicals linked together by a carbon chain [2] HB CC 4C062
  • C07D311/50
    		•  ......with elements other than carbon and hydrogen in position 3 [2] HB CC 4C062
  • C07D311/52
    		•  ......Enol-esters or -ethers, or sulfur analogues thereof [2] HB CC 4C062
  • C07D311/54
    		•  .....substituted in the carbocyclic ring [2] HB CC 4C062
  • C07D311/56
    		•  ....without hydrogen atoms in position 3 [2] HB CC 4C062
  • C07D311/58
    		•  ...other than with oxygen or sulfur atoms in position 2 or 4 [2] HB CC 4C062
  • C07D311/60
    		•  ....with aryl radicals attached in position 2 [2] HB CC 4C062
  • C07D311/62
    		•  .....with oxygen atoms directly attached in position 3, e.g. anthocyanidins [2] HB CC 4C062
  • C07D311/64
    		•  ....with oxygen atoms directly attached in position 8 [2] HB CC 4C062
  • C07D311/66
    		•  ....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 in position 2 [2] HB CC 4C062
  • C07D311/68
    		•  ....with nitrogen atoms directly attached in position 4 [2] HB CC 4C062
  • C07D311/70
    		•  ....with two hydrocarbon radicals attached in position 2 and elements other than carbon and hydrogen in position 6 [2] HB CC 4C062
  • C07D311/72
    		•  .....3, 4-Dihydro derivatives having in position 2 at least one methyl radical and in position 6 one oxygen atom, e.g. tocopherols [2] HB CC 4C062
  • C07D311/72,101
    		•  ......Free hydroxyl group for the oxygen atom at the sixth position HB CC 4C062
  • C07D311/72,102
    		•  ......Substituted hydroxyl group for the oxygen atom at the sixth position HB CC 4C062
  • C07D311/72,103
    		•  ......Separation; purification HB CC 4C062
  • C07D311/74
    		•  ..Benzo [b] pyrans, hydrogenated in the carbocyclic ring [2] HB CC 4C062
  • C07D311/76
    		•  ..Benzo [c] pyrans [2] HB CC 4C062
  • C07D311/78
    		•  ..Ring systems having three or more relevant rings [2] HB CC 4C062
  • C07D311/80
    		•  ...Dibenzopyrans; Hydrogenated dibenzopyrans [2] HB CC 4C062
  • C07D311/82
    		•  ....Xanthenes [2] HB CC 4C062
  • C07D311/84
    		•  .....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 in position 9 [2] HB CC 4C062
  • C07D311/86
    		•  ......Oxygen atoms, e.g. xanthones [2] HB CC 4C062
  • C07D311/88
    		•  ......Nitrogen atoms [2] HB CC 4C062
  • C07D311/90
    		•  .....with hydrocarbon radicals, substituted by amino radicals, directly attached in position 9 [2] HB CC 4C062
  • C07D311/92
    		•  ...Naphthopyrans; Hydrogenated naphthopyrans [2] HB CC 4C062
  • C07D311/92,101
    		•  ....ortho-condensed HB CC 4C062
  • C07D311/92,102
    		•  ....peri-condensed HB CC 4C062
  • C07D311/94
    		•  ..condensed with rings other than six-membered or with ring systems containing such rings [2,5] HB CC 4C062
  • C07D311/94,101
    		•  ...condensed with a 5-member ring HB CC 4C062
  • C07D311/96
    		•  .spiro-condensed with carbocyclic rings or ring systems [2] HB CC 4C062
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