CH81561A - Process for the preparation of 4-chloro-7-methoxyisatin - Google Patents

Process for the preparation of 4-chloro-7-methoxyisatin

Info

Publication number: CH81561A
Authority: CH; Switzerland
Prior art keywords: methoxyisatin; chloro; preparation
Prior art date: 1918-05-16

Application number

CH81561A

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

1919-01-09

Publication date

1919-11-17

1919-01-09 Application filed by Geigy Ag J R filed Critical Geigy Ag J R

1919-11-17 Publication of CH81561A publication Critical patent/CH81561A/en

Links

VZPMNHWRRJFLFO-UHFFFAOYSA-N 4-chloro-7-methoxy-1h-indole-2,3-dione Chemical compound COC1=CC=C(Cl)C2=C1NC(=O)C2=O VZPMNHWRRJFLFO-UHFFFAOYSA-N 0.000 title 1

CH81561A 1918-05-16 1919-01-09 Process for the preparation of 4-chloro-7-methoxyisatin CH81561A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CH80095T		1918-05-16
CH81561T		1919-01-09

Publications (1)

Publication Number	Publication Date
CH81561A true CH81561A (en)	1919-11-17

Family

ID=25702606

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH81561A CH81561A (en)	1918-05-16	1919-01-09	Process for the preparation of 4-chloro-7-methoxyisatin

Country Status (1)

Country	Link
CH (1)	CH81561A (en)

1919
- 1919-01-09 CH CH81561A patent/CH81561A/en unknown

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