FI26637A - Process for the preparation of 3-substituted 4-oxo-coumarins - Google Patents

Process for the preparation of 3-substituted 4-oxo-coumarins

Info

Publication number
FI26637A
FI26637A FI26637DA FI26637A FI 26637 A FI26637 A FI 26637A FI 26637D A FI26637D A FI 26637DA FI 26637 A FI26637 A FI 26637A
Authority
FI
Finland
Prior art keywords
coumarins
oxo
substituted
preparation
Prior art date
Application number
Other languages
Finnish (fi)
Inventor
Stoll Willy
Litvan Franz
Original Assignee
Geigy Ag J R
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 Geigy Ag J R filed Critical Geigy Ag J R
Publication of FI26637A publication Critical patent/FI26637A/en

Links

FI26637D 1950-11-23 1950-11-23 Process for the preparation of 3-substituted 4-oxo-coumarins FI26637A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI26637T 1950-11-23

Publications (1)

Publication Number Publication Date
FI26637A true FI26637A (en) 1953-11-10

Family

ID=36890986

Family Applications (1)

Application Number Title Priority Date Filing Date
FI26637D FI26637A (en) 1950-11-23 1950-11-23 Process for the preparation of 3-substituted 4-oxo-coumarins

Country Status (1)

Country Link
FI (1) FI26637A (en)

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