CH81556A - Process for the preparation of a mixture of 4-methyl-5-chloro- and 5-chloro-6-methylisatin - Google Patents

Process for the preparation of a mixture of 4-methyl-5-chloro- and 5-chloro-6-methylisatin

Info

Publication number: CH81556A
Authority: CH; Switzerland
Prior art keywords: chloro; methylisatin; methyl; mixture; preparation
Prior art date: 1918-05-16

Application number

CH81556A

Other languages

German (de)

Inventor

A-G J R Geigy

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.)

1918-05-16

Filing date

1918-09-20

Publication date

1919-11-17

1918-09-20 Application filed by Geigy Ag J R filed Critical Geigy Ag J R

1919-11-17 Publication of CH81556A publication Critical patent/CH81556A/en

Links

NWMQLFYENNVRLS-UHFFFAOYSA-N 5-chloro-6-methyl-1h-indole-2,3-dione Chemical compound C1=C(Cl)C(C)=CC2=C1C(=O)C(=O)N2 NWMQLFYENNVRLS-UHFFFAOYSA-N 0.000 title 1
239000000203 mixture Substances 0.000 title 1

CH81556A 1918-05-16 1918-09-20 Process for the preparation of a mixture of 4-methyl-5-chloro- and 5-chloro-6-methylisatin CH81556A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CH80095T		1918-05-16
CH81556T		1918-09-20

Publications (1)

Publication Number	Publication Date
CH81556A true CH81556A (en)	1919-11-17

Family

ID=25702601

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH81556A CH81556A (en)	1918-05-16	1918-09-20	Process for the preparation of a mixture of 4-methyl-5-chloro- and 5-chloro-6-methylisatin

Country Status (1)

Country	Link
CH (1)	CH81556A (en)

1918
- 1918-09-20 CH CH81556A patent/CH81556A/en unknown

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