DK101524C - Process for the preparation of derivatives of 1,3,3-trimethyl-indoline-2-spiro-2'-benzopyran. - Google Patents

Process for the preparation of derivatives of 1,3,3-trimethyl-indoline-2-spiro-2'-benzopyran.

Info

Publication number
DK101524C
DK101524C DK128160A DK128160A DK101524C DK 101524 C DK101524 C DK 101524C DK 128160 A DK128160 A DK 128160A DK 128160 A DK128160 A DK 128160A DK 101524 C DK101524 C DK 101524C
Authority
DK
Denmark
Prior art keywords
benzopyran
indoline
spiro
trimethyl
derivatives
Prior art date
Application number
DK128160A
Other languages
Danish (da)
Original Assignee
Ncr Co
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 Ncr Co filed Critical Ncr Co
Application granted granted Critical
Publication of DK101524C publication Critical patent/DK101524C/en

Links

DK128160A 1959-04-03 1960-04-02 Process for the preparation of derivatives of 1,3,3-trimethyl-indoline-2-spiro-2'-benzopyran. DK101524C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80383659A 1959-04-03 1959-04-03

Publications (1)

Publication Number Publication Date
DK101524C true DK101524C (en) 1965-04-26

Family

ID=32106010

Family Applications (1)

Application Number Title Priority Date Filing Date
DK128160A DK101524C (en) 1959-04-03 1960-04-02 Process for the preparation of derivatives of 1,3,3-trimethyl-indoline-2-spiro-2'-benzopyran.

Country Status (3)

Country Link
AT (1) AT220147B (en)
BE (1) BE589138A (en)
DK (1) DK101524C (en)

Also Published As

Publication number Publication date
AT220147B (en) 1962-03-12
BE589138A (en) 1960-07-18

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