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This page displays all 「FI」 in main group C07D505/00. |
HB:Handbook | ||||
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CC:Concordance | |||||
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Heterocyclic compounds containing 5-oxa-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:  , e.g. oxacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with a
| HB | CC | 4C072 | |
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.Preparation(by microbiological processes C12P17/18) [6] | HB | CC | 4C072 | |
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..by forming the ring or condensed ring systems [6] | HB | CC | 4C072 | |
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..maufacturing where starting compounds are compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents [6] | HB | CC | 4C072 | |
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...Modification of a carboxyl group directly attached in position 2, e.g. esterification [6] | HB | CC | 4C072 | |
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.with a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2 [6] | HB | CC | 4C072 | |
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..substituted in position 7 [6] | HB | CC | 4C072 | |
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...with hetero atoms directly attached in position 7 [6] | HB | CC | 4C072 | |
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....Nitrogen atoms [6] | HB | CC | 4C072 | |
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.....further acylated by radicals derived from carboxylic acids or by nitrogen or sulfur analogues thereof [6] | HB | CC | 4C072 | |
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......with the acylating radicals further substituted by hetero atoms or by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen [6] | HB | CC | 4C072 | |
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.......further substituted by singly-bound nitrogen atoms [6] | HB | CC | 4C072 | |
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.......further substituted by doubly-bound nitrogen atoms [6] | HB | CC | 4C072 | |