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This page displays all 「FI」 in main group C07D503/00. |
HB:Handbook | ||||
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CC:Concordance | |||||
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Heterocyclic compounds containing 4-oxa-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:  , e.g. oxapenicillins, clavulanic acid derivatives; Such ring systems being further condensed
| 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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..unsubstituted in position 6 [6] | HB | CC | 4C072 | |
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...with hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, other than a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, attached in position 3 [6] | HB | CC | 4C072 | |
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....Radicals substituted by hetero atoms or by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical [6] | HB | CC | 4C072 | |
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.....by oxygen atoms [6] | HB | CC | 4C072 | |
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.....by sulfur atoms [6] | HB | CC | 4C072 | |
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.....by nitrogen atoms [6] | HB | CC | 4C072 | |