BE540424A - DERIVATIVES OF PHTHALAZINES AND THEIR PREPARATION. - Google Patents

DERIVATIVES OF PHTHALAZINES AND THEIR PREPARATION.

Info

Publication number
BE540424A
BE540424A BE540424A BE540424A BE540424A BE 540424 A BE540424 A BE 540424A BE 540424 A BE540424 A BE 540424A BE 540424 A BE540424 A BE 540424A BE 540424 A BE540424 A BE 540424A
Authority
BE
Belgium
Prior art keywords
phthalazines
derivatives
preparation
Prior art date
Application number
BE540424A
Other languages
French (fr)
Original Assignee
Hoechst Ag
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
Priority claimed from DEF15408A external-priority patent/DE956044C/en
Priority claimed from DEF17944A external-priority patent/DE1029379B/en
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of BE540424A publication Critical patent/BE540424A/en

Links

BE540424A 1954-08-08 1955-08-08 DERIVATIVES OF PHTHALAZINES AND THEIR PREPARATION. BE540424A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEF15408A DE956044C (en) 1954-08-08 1954-08-08 Process for the preparation of oxy or amino groups containing 2,3-diphenyl-1,4-dioxotetrahydrophthalazines
DEF17944A DE1029379B (en) 1955-07-15 1955-07-15 Process for the preparation of oxy or amino group-containing 2,3-diphenyl-1,4-dioxo-tetra-hydrophthalazines

Publications (1)

Publication Number Publication Date
BE540424A true BE540424A (en) 1959-08-14

Family

ID=38539134

Family Applications (1)

Application Number Title Priority Date Filing Date
BE540424A BE540424A (en) 1954-08-08 1955-08-08 DERIVATIVES OF PHTHALAZINES AND THEIR PREPARATION.

Country Status (1)

Country Link
BE (1) BE540424A (en)

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