FR1491655A - Procédé pour la protection temporaire de groupes acides - Google Patents
Procédé pour la protection temporaire de groupes acidesInfo
- Publication number
- FR1491655A FR1491655A FR74547A FR74547A FR1491655A FR 1491655 A FR1491655 A FR 1491655A FR 74547 A FR74547 A FR 74547A FR 74547 A FR74547 A FR 74547A FR 1491655 A FR1491655 A FR 1491655A
- Authority
- FR
- France
- Prior art keywords
- acid groups
- temporary protection
- temporary
- protection
- groups
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000002253 acid Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6536—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having nitrogen and sulfur atoms with or without oxygen atoms, as the only ring hetero atoms
- C07F9/6539—Five-membered rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
- C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
- C07C45/515—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an acetalised, ketalised hemi-acetalised, or hemi-ketalised hydroxyl group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
- C07C47/12—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen containing more than one —CHO group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
- C07C51/493—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification whereby carboxylic acid esters are formed
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
- C07D277/04—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D277/06—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having no double bonds between ring members or between ring members and non-ring members 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 ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D499/00—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/50—Organo-phosphines
- C07F9/53—Organo-phosphine oxides; Organo-phosphine thioxides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/54—Quaternary phosphonium compounds
- C07F9/5463—Compounds of the type "quasi-phosphonium", e.g. (C)a-P-(Y)b wherein a+b=4, b>=1 and Y=heteroatom, generally N or O
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR74547A FR1491655A (fr) | 1965-09-10 | 1966-08-30 | Procédé pour la protection temporaire de groupes acides |
Applications Claiming Priority (22)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1262365A CH480355A (de) | 1965-09-10 | 1965-09-10 | Verfahren zur Herstellung von 3-tert.-Butyloxycarbonyl-thiazolidin-4-carbonsäuren |
CH1697265A CH497447A (de) | 1965-12-09 | 1965-12-09 | Verfahren zur Herstellung von 2,2-disubstituierten 3-Acyl-5B-hydroxy-thiazolidin-4-carbonsäuren und deren funktionellen Derivaten |
CH1697465A CH497451A (de) | 1965-12-09 | 1965-12-09 | Verfahren zur Herstellung von 2,2-disubstituierten 3-Acyl-5a-amino-thiazolidin-4-carbonsäuren und deren funktionellen Derivaten |
CH1697365A CH497448A (de) | 1965-12-09 | 1965-12-09 | Verfahren zur Herstellung von 2,2-disubstituierten 3-Acyl-5a-azido-thiazolidin-4-carbonsäuren oder Säurederivaten davon |
CH1697765A CH497369A (de) | 1965-12-09 | 1965-12-09 | Verfahren zur Herstellung von Methancarbonsäureestern |
CH1698165A CH497461A (de) | 1965-12-09 | 1965-12-09 | Verfahren zur Herstellung von 7-Amino-desacetylcephalosporansäureverbindungen |
CH1697065A CH497445A (de) | 1965-12-09 | 1965-12-09 | Verfahren zur Herstellung von Acyloxyverbindungen |
CH1697565A CH497456A (de) | 1965-12-09 | 1965-12-09 | Verfahren zur Herstellung von Azetidino(3,2-d)thiazolidinverbindungen |
CH1696965A CH497446A (de) | 1965-12-09 | 1965-12-09 | Verfahren zur Herstellung von Hydrazinothiazolidinverbindungen |
CH1697965A CH497460A (de) | 1965-12-09 | 1965-12-09 | Verfahren zur Herstellung von Aminoformylverbindungen |
CH1697665A CH497371A (de) | 1965-12-09 | 1965-12-09 | Verfahren zur Herstellung von Hydroxymethancarbonsäureestern |
CH1698065A CH497379A (de) | 1965-12-09 | 1965-12-09 | Verfahren zur Herstellung von 7-Amino-desacetylisocephalosporansäureverbindungen |
CH1697865A CH497457A (de) | 1965-12-09 | 1965-12-09 | Verfahren zur Herstellung von Azetidino(3,2-d)thiazolidinmethancarbonsäureester |
CH44866 | 1966-01-13 | ||
CH44766 | 1966-01-13 | ||
CH44666 | 1966-01-13 | ||
CH45066 | 1966-01-13 | ||
CH45166 | 1966-01-13 | ||
CH44966 | 1966-01-13 | ||
CH153066 | 1966-02-03 | ||
CH152966 | 1966-02-03 | ||
FR74547A FR1491655A (fr) | 1965-09-10 | 1966-08-30 | Procédé pour la protection temporaire de groupes acides |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1491655A true FR1491655A (fr) | 1967-08-11 |
Family
ID=27586555
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR74547A Expired FR1491655A (fr) | 1965-09-10 | 1966-08-30 | Procédé pour la protection temporaire de groupes acides |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1491655A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3536698A (en) * | 1968-02-27 | 1970-10-27 | Lilly Co Eli | Simplified method for esterification of antibiotics via carbonate anhydride intermediates |
FR2059519A1 (fr) * | 1969-07-16 | 1971-06-04 | Ciba Geigy Ag |
-
1966
- 1966-08-30 FR FR74547A patent/FR1491655A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3536698A (en) * | 1968-02-27 | 1970-10-27 | Lilly Co Eli | Simplified method for esterification of antibiotics via carbonate anhydride intermediates |
FR2059519A1 (fr) * | 1969-07-16 | 1971-06-04 | Ciba Geigy Ag |
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