GR23479B - METHOD FOR THE PREPARATION OF SUBSTITUTED HYDRACIC ACIDS. - Google Patents
METHOD FOR THE PREPARATION OF SUBSTITUTED HYDRACIC ACIDS.Info
- Publication number
- GR23479B GR23479B GR580123479A GR580123479A GR23479B GR 23479 B GR23479 B GR 23479B GR 580123479 A GR580123479 A GR 580123479A GR 580123479 A GR580123479 A GR 580123479A GR 23479 B GR23479 B GR 23479B
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- substituted
- preparation
- acids
- saturated
- straight
- Prior art date
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
έθοδος δια την παρασκευήν νέων υποκατεστημένων υδροξιδίων οξέων του γενικού τύπου: R1-CO-NH-NH-R2 εις τον οποίον το R1 παριστά εν δι' αλογόνου, υδροξυομάδων, ή δια αλκοξύ-ομάδων ή αλκυλομερκαπτο-ομάδων περιεχουσών έως 4 άτομα άνθρακος υποκατεστημένον υπόλοιπον ενός κεκορεσμένου ή ακορέστου, μετ' ευθείας ή διακλαδισμένης αλύσου αλειφατικού υδρογονάνθρακος, το δε R2 παριστά εν αραλκυλικόν υπόλοιπονή το υπόλοιπον ενός αλικυκλικού ή κεκορεσμένου, μετ' ευθείας ή διακλαδισμένης αλύσου αλειφατικούυδρογονάνθρακος περιέχοντος έως ο άτομα άνθρακος, ως επίσης των αλάτων των υδροξιδίων οξέων τούτων, διακρινομένη εκ τούτου, ότι η παρασκευή των ενώσεων υδροξιδίων οξέων τούτων επιτελείται είτε δια συμπυκνώσεως ενός οξέος του γενικού τύπου R1-COOH μεμίανυποκατεστημένην υδραζίνη του γενικού τύπου Η2Ν-ΝΗ-R2, εις τους οποίους τα R1 και R2 έχουν την ανωτέρω δοθείσαν σημασίαν, παρουσία ενός Ν,Ν'-δις-υποκατεστημένου καρβοδιϊμιδίου, είτε κατά γνωστάς μεθόδους και ενδεχομένως δια μετατροπής του ληφθέντος ελευθέρου υδραζιδίου οξέων εις εν άλας. Method for the preparation of new substituted hydroxides of the general formula: R1-CO-NH-NH-R2 wherein R 1 represents halogen, hydroxy groups, or alkoxy groups or alkylmercapto groups containing up to 4 carbon atoms substituted with the remainder of a saturated or unsaturated, straight or branched chain chain; the residue of an alicyclic or saturated, straight or branched chain aliphatic hydrocarbon containing up to the carbon atoms, as well as the salts of their hydroxide acids, wherein the preparation of the compounds of a hydroxy acid R1-COOH semi-substituted hydrazine of general formula H2N-NH-R2, in which R1 and R2 have the above significance, in the presence of an N, N'-bis-substituted carbodiimide, either by known methods and optionally by conversion thereto. hydrazide of acids in a salt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GR580123479A GR23479B (en) | 1958-07-02 | 1958-07-02 | METHOD FOR THE PREPARATION OF SUBSTITUTED HYDRACIC ACIDS. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GR580123479A GR23479B (en) | 1958-07-02 | 1958-07-02 | METHOD FOR THE PREPARATION OF SUBSTITUTED HYDRACIC ACIDS. |
Publications (1)
Publication Number | Publication Date |
---|---|
GR23479B true GR23479B (en) | 1962-07-23 |
Family
ID=36864754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR580123479A GR23479B (en) | 1958-07-02 | 1958-07-02 | METHOD FOR THE PREPARATION OF SUBSTITUTED HYDRACIC ACIDS. |
Country Status (1)
Country | Link |
---|---|
GR (1) | GR23479B (en) |
-
1958
- 1958-07-02 GR GR580123479A patent/GR23479B/en unknown
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