GR22773B - METHOD FOR THE PREPARATION OF 4 - OXIDES OF 1, 4 - BENZODIAZEPINE. - Google Patents

METHOD FOR THE PREPARATION OF 4 - OXIDES OF 1, 4 - BENZODIAZEPINE.

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Publication number
GR22773B
GR22773B GR590122773A GR590122773A GR22773B GR 22773 B GR22773 B GR 22773B GR 590122773 A GR590122773 A GR 590122773A GR 590122773 A GR590122773 A GR 590122773A GR 22773 B GR22773 B GR 22773B
Authority
GR
Greece
Prior art keywords
oxides
preparation
halogen
benzodiazepine
alkyl
Prior art date
Application number
GR590122773A
Other languages
Greek (el)
Original Assignee
F. Hoffmann - La Roche & Co. Aktiengesellschaft
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 F. Hoffmann - La Roche & Co. Aktiengesellschaft filed Critical F. Hoffmann - La Roche & Co. Aktiengesellschaft
Priority to GR590122773A priority Critical patent/GR22773B/en
Publication of GR22773B publication Critical patent/GR22773B/en

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  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Plural Heterocyclic Compounds (AREA)

Abstract

έθοδος διά την παρασκευήν των 4-οξειδίων της 1,4-βενζοδιαζεκινης και των αλάτων ταύτων, διακρινομένη εκ τούτου, ότι έν αλογονίδιον του γενικού τύπου (Ι) είς τον οποίον το R1 δηλοί υδρογόνον ή αλκύλιον, το R2 δηλοί φαινύλιον, διά της νιτροομάδος ή αλογόνου υποκατεστημένον φαινύλιον ή αλκοξυφαινύλιον, τα R3 και R4 δηλούν υδρογόνον, αλογόνον ή αλκύλιον, το δέ Χ δηλοί αλογόνον, φέρομεν είς αντίδρασινμετ'αμμωνίας ή μιάς πρωτοταγούς αμίνης, το δέ λαμβανόμενον προιόν της αντιδράσεως μετατρέπομεν, εάνείναι επιθυμητόν, είς έν άλας τη βοηθεία ενός οξέος. Process for the preparation of 1,4-benzodiazekine 4-oxides and their salts, characterized in that a halide of general formula (I) in which R1 denotes hydrogen or alkyl, R2 denominates phenyl, by the nitro group or halogen substituted phenyl or alkoxyphenyl, R 3 and R 4 denote hydrogen, halogen or alkyl, and X denotes halogen of an acid.

GR590122773A 1959-05-13 1959-05-13 METHOD FOR THE PREPARATION OF 4 - OXIDES OF 1, 4 - BENZODIAZEPINE. GR22773B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GR590122773A GR22773B (en) 1959-05-13 1959-05-13 METHOD FOR THE PREPARATION OF 4 - OXIDES OF 1, 4 - BENZODIAZEPINE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR590122773A GR22773B (en) 1959-05-13 1959-05-13 METHOD FOR THE PREPARATION OF 4 - OXIDES OF 1, 4 - BENZODIAZEPINE.

Publications (1)

Publication Number Publication Date
GR22773B true GR22773B (en) 1962-01-29

Family

ID=36864723

Family Applications (1)

Application Number Title Priority Date Filing Date
GR590122773A GR22773B (en) 1959-05-13 1959-05-13 METHOD FOR THE PREPARATION OF 4 - OXIDES OF 1, 4 - BENZODIAZEPINE.

Country Status (1)

Country Link
GR (1) GR22773B (en)

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