DK86889C - Process for the preparation of 3-substituted 4-oxy-coumarins or 1-thio-4-oxy-coumarins. - Google Patents

Process for the preparation of 3-substituted 4-oxy-coumarins or 1-thio-4-oxy-coumarins.

Info

Publication number
DK86889C
DK86889C DK269355A DK269355A DK86889C DK 86889 C DK86889 C DK 86889C DK 269355 A DK269355 A DK 269355A DK 269355 A DK269355 A DK 269355A DK 86889 C DK86889 C DK 86889C
Authority
DK
Denmark
Prior art keywords
coumarins
oxy
thio
substituted
preparation
Prior art date
Application number
DK269355A
Other languages
Danish (da)
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
Application granted granted Critical
Publication of DK86889C publication Critical patent/DK86889C/en

Links

DK269355A 1954-08-17 1955-08-16 Process for the preparation of 3-substituted 4-oxy-coumarins or 1-thio-4-oxy-coumarins. DK86889C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH86889X 1954-08-17

Publications (1)

Publication Number Publication Date
DK86889C true DK86889C (en) 1959-02-16

Family

ID=4343566

Family Applications (1)

Application Number Title Priority Date Filing Date
DK269355A DK86889C (en) 1954-08-17 1955-08-16 Process for the preparation of 3-substituted 4-oxy-coumarins or 1-thio-4-oxy-coumarins.

Country Status (1)

Country Link
DK (1) DK86889C (en)

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