GR36637B - METHOD FOR THE PREPARATION OF INOSINE ACETALS. - Google Patents

METHOD FOR THE PREPARATION OF INOSINE ACETALS.

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Publication number
GR36637B
GR36637B GR670136637A GR670136637A GR36637B GR 36637 B GR36637 B GR 36637B GR 670136637 A GR670136637 A GR 670136637A GR 670136637 A GR670136637 A GR 670136637A GR 36637 B GR36637 B GR 36637B
Authority
GR
Greece
Prior art keywords
acetals
inosine
preparation
formula
aldehydes
Prior art date
Application number
GR670136637A
Other languages
Greek (el)
Original Assignee
C. F. Boehringer & Soehne G.M.B.H.
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 C. F. Boehringer & Soehne G.M.B.H. filed Critical C. F. Boehringer & Soehne G.M.B.H.
Priority to GR670136637A priority Critical patent/GR36637B/en
Publication of GR36637B publication Critical patent/GR36637B/en

Links

Abstract

έθοδος δια την παρασκευήν ακεταλών της ινοσίνης του τύπου Ι [*] (Ι) εις τον οποίον τα R1, R2 και R3 είναι όμοια ή διάφορα και σημαίνουν έν άτομον υδρογόνου ήαλογόνου, ή σημαίνουν μίαν αλκυλο-, αλκοξυ-,μεθυλενοδιοξυ- ή τριφθοριομεθυλομάδα και το Χ σημαίνει έν άτομον αλογόνου ή μίαν υδροξυλομάδα, χαρακτηριζομένη εκ του ότι αι ουσίαι του τύπου ΙΙ [*] (ΙΙ) εις τονοποίον το Χ έχει την ανωτέρω δοθείσαν σημασίαν φέρονται εις αντίδρασιν μετ'αλδεϋδών του τύπου ΙΙΙ [*] (ΙΙΙ) εις τον οποίον τα R1, R2 και R3 έχουν την ανωτέρω δοθείσαν σημασίαν, ή μετά των ακεταλών των αλδεϋδών τούτων, παρουσία οξίνων καταλυτών,οπότε εις ήν περίπτωσιν το Χ θα εσήμαινε μίαν υδροξυλομάδα, μετατρέπονται μεταγενεστέρως εις τα αλογονο-παράγωγα. process for the preparation of inosine acetals of formula I [*] (Ι) wherein R 1, R 2 and R 3 are identical or different and denote a hydrogen or halogen atom, or denote an alkyl-, alkoxy-, methylenedioxy- or trifluoromethyl group and X denotes a halogen atom or a hydroxyl group, characterized in that the substances of formula II [*] (II) in which X has the above significance are reacted with aldehydes of formula III [*] (III) in which R1, R2 and R3 have the above meaning, or after the acetals of these aldehydes, in the presence of acid catalysts, in which case X would mean a hydroxyl group, are subsequently converted to the halogen derivatives.

GR670136637A 1967-10-23 1967-10-23 METHOD FOR THE PREPARATION OF INOSINE ACETALS. GR36637B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GR670136637A GR36637B (en) 1967-10-23 1967-10-23 METHOD FOR THE PREPARATION OF INOSINE ACETALS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR670136637A GR36637B (en) 1967-10-23 1967-10-23 METHOD FOR THE PREPARATION OF INOSINE ACETALS.

Publications (1)

Publication Number Publication Date
GR36637B true GR36637B (en) 1969-02-27

Family

ID=36887999

Family Applications (1)

Application Number Title Priority Date Filing Date
GR670136637A GR36637B (en) 1967-10-23 1967-10-23 METHOD FOR THE PREPARATION OF INOSINE ACETALS.

Country Status (1)

Country Link
GR (1) GR36637B (en)

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