GR22665B - METHOD FOR PREPARATION 1 - PHENYL - 3 - METHOXY - 5 - SULPHANIDAMIDE - PYRAZOL - 1, 2. - Google Patents

METHOD FOR PREPARATION 1 - PHENYL - 3 - METHOXY - 5 - SULPHANIDAMIDE - PYRAZOL - 1, 2.

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Publication number
GR22665B
GR22665B GR600122665A GR600122665A GR22665B GR 22665 B GR22665 B GR 22665B GR 600122665 A GR600122665 A GR 600122665A GR 600122665 A GR600122665 A GR 600122665A GR 22665 B GR22665 B GR 22665B
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GR
Greece
Prior art keywords
group
methoxy
formula
phenyl
preparation
Prior art date
Application number
GR600122665A
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 GR600122665A priority Critical patent/GR22665B/en
Publication of GR22665B publication Critical patent/GR22665B/en

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  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

έθοδος πρός παρασκευήν 1-φαινυλο-3-μεθοξυ-5-σουλφανιλαμιδο-πυραζόλης-1,2, χαρακτηριζομένη κατά τούτο, ότι σουλφονυλ-αλογονίδια του τύπου (Ι) ένθα το W σημαίνει αμινομάδα ή έν πρός αμινομάδα δυνάμενοννα μεταταπή υπόλοιπον, συμπυκνούμεν μετά 5-αμινο-πυραζολών του τύπου (ΙΙ) ένθα το Χ σημαίνει μεθοξυομάδα ή παριστά μίαν υδροξυλομάδα ή έν πρός ΟΗ-ομάδα δυνάμενον να μετατραπή υπόλοιπον, οπότε το Χ ενδεχομένως μεταγενεστέρως μετατρέπεται, κατά γνωστόν καθ'εαυτόν τρόπον, είς την μεθοξυομάδα, ή συμπυκνούμεν σουλφοναμίδια του τύπου (ΙΙΙ), ένθα το W έχει την ανωτέρω δοθείσαν σημασίαν, ή τα αλκαλικά αυτών άλατα μετά 5-αλογονο-πυραζολών του τύπου (ΙV) ένθα το Χ έχει την ανωτέρω δοθείσαν σημασίαν οπότετο Χ ενδεχομένως μεταγενεστέρως μετατρέπεται, κατά γνωστόν καθ'εαυτόν τρόπον, είς την εθοξυομάδα, μετα ταύτα δε μετατρέπομεν ενδεχομένως το W είς τηναμινομάδα. Process for the preparation of 1-phenyl-3-methoxy-5-sulfanylamido-pyrazole-1,2, characterized in that the sulfonyl halides of formula (I) in W mean an amino group or to an amino group having a residual transition moiety, concentrated after -amino-pyrazoles of formula (II) wherein X means a methoxy group or represents a hydroxyl group or an OH group which can be converted to a residue, wherein X may subsequently be converted, as is known therein, to the methoxy group, or to the methoxy group. of formula (III), wherein W has the above meaning, or their alkali salts after 5-halo-pyrazoles of formula (IV) wherein X has the above meaning, wherein X may be subsequently converted, as is known per se Thus, in the ethoxy group, after that we do not possibly convert W to the amino group.

GR600122665A 1960-03-23 1960-03-23 METHOD FOR PREPARATION 1 - PHENYL - 3 - METHOXY - 5 - SULPHANIDAMIDE - PYRAZOL - 1, 2. GR22665B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GR600122665A GR22665B (en) 1960-03-23 1960-03-23 METHOD FOR PREPARATION 1 - PHENYL - 3 - METHOXY - 5 - SULPHANIDAMIDE - PYRAZOL - 1, 2.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR600122665A GR22665B (en) 1960-03-23 1960-03-23 METHOD FOR PREPARATION 1 - PHENYL - 3 - METHOXY - 5 - SULPHANIDAMIDE - PYRAZOL - 1, 2.

Publications (1)

Publication Number Publication Date
GR22665B true GR22665B (en) 1961-12-28

Family

ID=36864709

Family Applications (1)

Application Number Title Priority Date Filing Date
GR600122665A GR22665B (en) 1960-03-23 1960-03-23 METHOD FOR PREPARATION 1 - PHENYL - 3 - METHOXY - 5 - SULPHANIDAMIDE - PYRAZOL - 1, 2.

Country Status (1)

Country Link
GR (1) GR22665B (en)

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