GR22601B - METHOD OF PREPARATION OF NEW PRODUCERS OF BENZOIMIDIAZOL. - Google Patents
METHOD OF PREPARATION OF NEW PRODUCERS OF BENZOIMIDIAZOL.Info
- Publication number
- GR22601B GR22601B GR600122601A GR600122601A GR22601B GR 22601 B GR22601 B GR 22601B GR 600122601 A GR600122601 A GR 600122601A GR 600122601 A GR600122601 A GR 600122601A GR 22601 B GR22601 B GR 22601B
- Authority
- GR
- Greece
- Prior art keywords
- compound
- benzoimidiazol
- preparation
- formula
- benzimidezole
- Prior art date
Links
Abstract
ίς μέθοδος διά την κατασκευήν μιάς βενζιμιδεζόλης του τύπου (Ι) είς τον οποίον το R είναι μία πενταμελής ετεροσκαλική ρίζα περιέχουσα άζωτον και θείον, ή μέθοδος δε αύτη περιλαμβάνει την υποβολήν μιάς ενώσεως του γενικού τύπου (ΙΙ) είς αντίδρασιν με μίαν ένωσιν του συντακτικου τύπου (ΙΙΙ) είς τουςοποίους το NH2 είναι μία πενταμελής ετεροκυκλική ένωσις περιέχουσα άζωτον και θείον, το Β είναι μίαρίζα επιλεγομένη εκ της ομάδος ήτις αποτελειται εκ καρβοξυ ρίζηq, καρβο-αλκοζο-ρίζης, περβοζαμίδα-ρίζης, ακυλο-αλογονιδιου, και αλδευδο-ρίζης, και τοΧ επιλέγεται εκ της ομάδος ήτις αποτελείται έκ NH2, NO2, και NHR, ένθα το R' είναι εν κατώτερον αλκύλιον ή αλκενύλιον, και όταν το Β είναι μία αλδευδομάς, την οξείδωσιν του ενδιαμέσου προιόντος πρόςσχηματισμόν της βενζιμιδαζόλης, όταν δε το Y είναι μία νιτροομάς, την αναγωγήν του ενδιαμέσου προιόντος πρός σχηματισμόν της βενζιμιδεζόλης. A process for the manufacture of a benzimidezole of formula (I) in which R is a five-membered heteroscal radical containing nitrogen and sulfur, or a method comprising subjecting a compound of general formula (II) to reacting a compound of formula compound. (III) in which NH2 is a five-membered heterocyclic compound containing nitrogen and sulfur; and X is selected from the group as it consists of NH2, NO2, and NHR, wherein R 'is lower alkyl or alkenyl, and when B is an aldehyde, oxidation of the intermediate to form benzimidazole, and Y is nitro group, the reduction of the intermediate to form benzimidezole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GR600122601A GR22601B (en) | 1960-12-17 | 1960-12-17 | METHOD OF PREPARATION OF NEW PRODUCERS OF BENZOIMIDIAZOL. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GR600122601A GR22601B (en) | 1960-12-17 | 1960-12-17 | METHOD OF PREPARATION OF NEW PRODUCERS OF BENZOIMIDIAZOL. |
Publications (1)
Publication Number | Publication Date |
---|---|
GR22601B true GR22601B (en) | 1961-12-13 |
Family
ID=36863490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR600122601A GR22601B (en) | 1960-12-17 | 1960-12-17 | METHOD OF PREPARATION OF NEW PRODUCERS OF BENZOIMIDIAZOL. |
Country Status (1)
Country | Link |
---|---|
GR (1) | GR22601B (en) |
-
1960
- 1960-12-17 GR GR600122601A patent/GR22601B/en unknown
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