GR22655B - METHOD FOR THE FRIDAY OF 3, 5 - DIOXO - ISOXAZOLIDES. - Google Patents
METHOD FOR THE FRIDAY OF 3, 5 - DIOXO - ISOXAZOLIDES.Info
- Publication number
- GR22655B GR22655B GR590122655A GR590122655A GR22655B GR 22655 B GR22655 B GR 22655B GR 590122655 A GR590122655 A GR 590122655A GR 590122655 A GR590122655 A GR 590122655A GR 22655 B GR22655 B GR 22655B
- Authority
- GR
- Greece
- Prior art keywords
- dioxo
- substituted
- acylation
- residue
- isoxazolides
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- PAHVTLRWCQYFEB-UHFFFAOYSA-N 1,2-oxazolidine-3,5-dione Chemical class O=C1CC(=O)ON1 PAHVTLRWCQYFEB-UHFFFAOYSA-N 0.000 abstract 2
- 230000010933 acylation Effects 0.000 abstract 2
- 238000005917 acylation reaction Methods 0.000 abstract 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract 2
- 239000001257 hydrogen Substances 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 0.000 abstract 1
- 150000002431 hydrogen Chemical class 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
Landscapes
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Abstract
έθοδος διά την παρασκευήν των 3,5-διοξο-ισοξαζολιδινών, διακρινομεη εκ τούτου, ότι μίαν ένωσιν του γενικού τύπου (Ι) υποβάλλομεν είς ακυλίωσιν, υπό ταυτόχρονον κλείσιμον του δακτυλίου, με έν μή υποκατεστημένον ή υποκατεστημένον μέσον μηλονυλιώσεως,το οποίον παρέχει το υπόλοιπο του τύπου (ΙΙ) ότι εάν είς το προιόν της ακυλιώσεω ή 4-θέσις δέν είναι υποκατεστημενη, εισάγομεν είς την θέσιν ταύτην ενδεχομένως εν υπόλοιπον υδρογονανθράκων R1, ένθα έκαστον έκ των συμβόλων, R,R1,R2, δηλοί υδρογόνον ήένυπόλοιπον υδρογονανθράκων το οποίον είναι ελεύθερον αλειφατικών ακορέστων δεσμών, και τουλάχιστον έν, όχι όμως περισσότερα των δύο έκ των ρηθέντων συμβόλων δηλούν υδρογόνον, και ότι, εάν είναι επιθυμητόν, την ληφθείσαν υποκατεστημένην 3,5-διοξο-ισοξαζολιδίνην μετατρέπον τη βοηθεία μίας βάσεως είς έν άλας. process for the preparation of 3,5-dioxo-isoxazolidines, wherein a compound of general formula (I) is subjected to acylation by simultaneously closing the ring with an unsubstituted or substituted malionizing agent which provides the of formula (II) that if in the product of acylation or 4-position is not substituted, enter in the same position possibly a residue of hydrocarbons R1, in each of the symbols, R, R1, R2, denoting the hydrogen or residue which is free of aliphatic unsaturated bonds, and at least one, but not more than two of said symbols denote hydrogen, and that, if desired, the substituted 3,5-dioxo-isoxazolidine converts the aid of a base to a salt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GR590122655A GR22655B (en) | 1959-07-02 | 1959-07-02 | METHOD FOR THE FRIDAY OF 3, 5 - DIOXO - ISOXAZOLIDES. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GR590122655A GR22655B (en) | 1959-07-02 | 1959-07-02 | METHOD FOR THE FRIDAY OF 3, 5 - DIOXO - ISOXAZOLIDES. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GR22655B true GR22655B (en) | 1961-12-21 |
Family
ID=36864700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GR590122655A GR22655B (en) | 1959-07-02 | 1959-07-02 | METHOD FOR THE FRIDAY OF 3, 5 - DIOXO - ISOXAZOLIDES. |
Country Status (1)
| Country | Link |
|---|---|
| GR (1) | GR22655B (en) |
-
1959
- 1959-07-02 GR GR590122655A patent/GR22655B/en unknown
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