GR18090B - METHOD FOR THE PREPARATION OF NEW ORGANIC N - OXIDES. - Google Patents

METHOD FOR THE PREPARATION OF NEW ORGANIC N - OXIDES.

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Publication number
GR18090B
GR18090B GR560118090A GR560118090A GR18090B GR 18090 B GR18090 B GR 18090B GR 560118090 A GR560118090 A GR 560118090A GR 560118090 A GR560118090 A GR 560118090A GR 18090 B GR18090 B GR 18090B
Authority
GR
Greece
Prior art keywords
oxides
preparation
ring
compounds
treated
Prior art date
Application number
GR560118090A
Other languages
Greek (el)
Original Assignee
Ciba Societe Anonyme
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ciba Societe Anonyme filed Critical Ciba Societe Anonyme
Priority to GR560118090A priority Critical patent/GR18090B/en
Publication of GR18090B publication Critical patent/GR18090B/en

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Abstract

έθοδος δια την παρασκευήν νέων οργανικών Ν-οξειδίων διακρινομένη εκ τούτου, ότι ενώσεις αίτινες έχουν τον πυρήνα του τύπου (Ι) όστις είς τα θέσεις 3,15,και 20 εμφανίζει την στερεοχημικήν διαμόρφωσιν της ρεζερκίνης και τουλάχιστον ένα υποκαταστάτην είς τον δακτύλιον Ε, υποβάλλομεν είς κατεργασίαν μετά Ν-οξειδωτικών μέσων και, εάν είναι επιθυμητόν, τάς ληφθείσας ενώσεις αίτινες περιέχουν εστεροποιηθείσαν και/ή καρβοξυλικάς ομάδας είς τον δακτύλιονΕ, υποβάλλομεν είς κατεργασίαν μετά αλκαλικών μέσων σαπωνοποιήσεως, και/ή τάς ληφθείσας ενώσεις αίτινες περιέχουν ελευθέρας υδροξυλικός και/ή καρβοξυλικός ομάδας είς τον δακτύλιον Ε, υποβάλλομεν είς αντίδρασιν μετά μέσων εστεροποιήσεως, και/ή τα ληφθέντα άλατα μετατρέπομεν είς τας ελευθέρας ενώσεις, ή τάς ελευθέρας ενώσεις μετατρέπομεν είς τα άλατα τούτων. process for the preparation of novel organic N-oxides, characterized in that the causative compounds have the nucleus of formula (I) at positions 3, 15, and 20 exhibiting the stereochemical configuration of resercin and at least one substituent at ring E, subjected to treated with N-oxidants and, if desired, the resulting compounds containing ethanes containing esterified and / or carboxylic group in the ring, treated with alkaline saponifiers, and / or containing group in ring E, subjected to reaction by esterification means, and / or the obtained salts are converted to the free compounds, or the free compounds are converted to their salts.

GR560118090A 1956-09-22 1956-09-22 METHOD FOR THE PREPARATION OF NEW ORGANIC N - OXIDES. GR18090B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GR560118090A GR18090B (en) 1956-09-22 1956-09-22 METHOD FOR THE PREPARATION OF NEW ORGANIC N - OXIDES.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR560118090A GR18090B (en) 1956-09-22 1956-09-22 METHOD FOR THE PREPARATION OF NEW ORGANIC N - OXIDES.

Publications (1)

Publication Number Publication Date
GR18090B true GR18090B (en) 1957-08-22

Family

ID=36859280

Family Applications (1)

Application Number Title Priority Date Filing Date
GR560118090A GR18090B (en) 1956-09-22 1956-09-22 METHOD FOR THE PREPARATION OF NEW ORGANIC N - OXIDES.

Country Status (1)

Country Link
GR (1) GR18090B (en)

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