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CS179448B2 - Method of production of new 2-carboxy-4-oxo-4h,10h-/2/-benzopyrano-/4,3-g/-/1/-benzopyranes - Google Patents
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CS179448B2 - Method of production of new 2-carboxy-4-oxo-4h,10h-/2/-benzopyrano-/4,3-g/-/1/-benzopyranes - Google Patents

Method of production of new 2-carboxy-4-oxo-4h,10h-/2/-benzopyrano-/4,3-g/-/1/-benzopyranes

Info

Publication number
CS179448B2
CS179448B2 CS905675A CS905675A CS179448B2 CS 179448 B2 CS179448 B2 CS 179448B2 CS 905675 A CS905675 A CS 905675A CS 905675 A CS905675 A CS 905675A CS 179448 B2 CS179448 B2 CS 179448B2
Authority
CS
Czechoslovakia
Prior art keywords
benzopyranes
benzopyrano
oxo
carboxy
new
Prior art date
Application number
CS905675A
Other languages
English (en)
Inventor
John Devlin
Patrik B Stewart
Kurt Freter
Original Assignee
Boehringer Sohn Ingelheim
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 Boehringer Sohn Ingelheim filed Critical Boehringer Sohn Ingelheim
Priority to CS905675A priority Critical patent/CS179448B2/cs
Publication of CS179448B2 publication Critical patent/CS179448B2/cs

Links

CS905675A 1973-08-27 1973-08-27 Method of production of new 2-carboxy-4-oxo-4h,10h-/2/-benzopyrano-/4,3-g/-/1/-benzopyranes CS179448B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CS905675A CS179448B2 (en) 1973-08-27 1973-08-27 Method of production of new 2-carboxy-4-oxo-4h,10h-/2/-benzopyrano-/4,3-g/-/1/-benzopyranes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS905675A CS179448B2 (en) 1973-08-27 1973-08-27 Method of production of new 2-carboxy-4-oxo-4h,10h-/2/-benzopyrano-/4,3-g/-/1/-benzopyranes

Publications (1)

Publication Number Publication Date
CS179448B2 true CS179448B2 (en) 1977-10-31

Family

ID=5441854

Family Applications (1)

Application Number Title Priority Date Filing Date
CS905675A CS179448B2 (en) 1973-08-27 1973-08-27 Method of production of new 2-carboxy-4-oxo-4h,10h-/2/-benzopyrano-/4,3-g/-/1/-benzopyranes

Country Status (1)

Country Link
CS (1) CS179448B2 (cs)

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