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
Czech (cs)
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/en
Publication of CS179448B2 publication Critical patent/CS179448B2/en

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 (en)

Similar Documents

Publication Publication Date Title
CS185654B2 (en) Method of producing derivatives of 1,1,-diaminoethylene
CS179949B2 (en) Method for production of novel d-homopregn-4-ene 3,20-diones
CY1018A (en) Pseudotrisaccharides and methods for their production
CS181264B2 (en) Method for production of alpha-amino-alpha-/ureidophenyl/acetamidocephalosporins
ZA741608B (en) Method of forming carrier-gels
CS180011B2 (en) Method for production of novel thiaproetaglandins
CS191225B2 (en) Method of production of new n-phenylpyrrols
CS182260B2 (en) Method of producing 1,3-oxidated 8alfa-estratrienes
CS179449B2 (en) Method for production of new 2-phenylamino-2-imidazoles
BG25796A3 (en) A method of obtaining 2-amine-5-alkil-1,3,4-tiadiazolov
CS179427B2 (en) Method for production of new 2-carboxy-4-oxo-4h,10h-/2/-benzopyrano-/4,3-g/-/1/-benzopyranes
CS180640B2 (en) Method of producing new substituted derivatives of nitrobenzofenone
CS188189B2 (en) Method of producing cyanopyridines
CS175748B1 (en) Method of alfa-6-deoxytetracycline production
CS179448B2 (en) Method of production of new 2-carboxy-4-oxo-4h,10h-/2/-benzopyrano-/4,3-g/-/1/-benzopyranes
ZA744939B (en) Novel pseudotrisaccharides and methods for their production
CS179917B2 (en) Method for production of novel aminopropanols
CS186272B2 (en) Method of making the new l-asparaginane of the cyclic erythromycin-a-carbonate
CS179931B2 (en) Method for production of 4-amino-1,2,4-triazine-5-ones
ZA743108B (en) New pyrazolodiazocine compounds and methods for their production
BG25788A3 (en) A method of obtaining 2,6-dinitroanilene derivatives
CS182266B2 (en) Method of producing 1,2-dihydro-2-oxo-4-methyl-7-nh-r-quinoline
CS177477B1 (en) Method of production of 2,3,5-tri-o-acetyl-d-ribofuranosylhalogenides
CS179433B2 (en) Method for production of 11,12-seco-prostaglandins
BG23748A3 (en) Method of obtaining 1,8-naphtiridine derivatives