GB372255A - Process for the manufacture of 3.5-diiodo-4-pyridone - Google Patents

Process for the manufacture of 3.5-diiodo-4-pyridone

Info

Publication number
GB372255A
GB372255A GB956/32A GB95632A GB372255A GB 372255 A GB372255 A GB 372255A GB 956/32 A GB956/32 A GB 956/32A GB 95632 A GB95632 A GB 95632A GB 372255 A GB372255 A GB 372255A
Authority
GB
United Kingdom
Prior art keywords
diiodo
pyridone
manufacture
anhydride
acyl
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB956/32A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schering Kahlbaum AG
Original Assignee
Schering Kahlbaum AG
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 Schering Kahlbaum AG filed Critical Schering Kahlbaum AG
Publication of GB372255A publication Critical patent/GB372255A/en
Expired legal-status Critical Current

Links

Landscapes

  • Pyridine Compounds (AREA)

Abstract

3 : 5-Diiodo-4-pyridone is obtained by acylating diiodo-chelidamic acid with an acyl anhydride and saponifying the 3 : 5 diiodo-4-pyridone acyl compound. According to examples acetic anhydride and benzoic anhydride are specified as acylating agents.
GB956/32A 1931-02-11 1932-01-12 Process for the manufacture of 3.5-diiodo-4-pyridone Expired GB372255A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE372255X 1931-02-11

Publications (1)

Publication Number Publication Date
GB372255A true GB372255A (en) 1932-05-05

Family

ID=6331138

Family Applications (1)

Application Number Title Priority Date Filing Date
GB956/32A Expired GB372255A (en) 1931-02-11 1932-01-12 Process for the manufacture of 3.5-diiodo-4-pyridone

Country Status (1)

Country Link
GB (1) GB372255A (en)

Similar Documents

Publication Publication Date Title
GB372255A (en) Process for the manufacture of 3.5-diiodo-4-pyridone
FR773220A (en) Process for the preparation of polyvinyl esters
FR758643A (en) Esterification process of diethyl-malonic acid
FR707835A (en) Process for the preparation of acetic acid
AU2826930A (en) Process for preparing' anhydrides of organic acids
CA311590A (en) Saponification of esters of organic acids
GB353578A (en) The manufacture of arylsulphonic-esters of 2.8-dihydroxynaphthalene-6-sulphonic acid
FR713383A (en) Process for the production of fatty acids
FR721962A (en) Process for the production of fatty acids
FR733860A (en) Improved process and installation for dehydration of aqueous acetic acid solutions
CA327242A (en) Production of acetic anhydride
GB144604A (en) Manufacture of borneol
FR773208A (en) Process for the production of carboxylic acid ester
BE403124A (en) Process for the production of carboxylic acid ester
FR746954A (en) Process for the production of mixed anhydrides between boric acid and organic acids
GB393265A (en) Improvements relating to the production of water-free ethyl alcohol
FR775351A (en) Process for improving the properties of sprayed perborates
FR731279A (en) Products resulting from the action of sulfuric acid on unsaturated hydroxylated fats
FR39574E (en) Process for the manufacture of acetic acid anhydride
CA306327A (en) Process of making esterified fatty acid derivatives
CA311431A (en) Production of aliphatic acids by fermentation
CA297468A (en) Process of producing glacial acetic acid from dilute acetic acids
FR693189A (en) Process of esterifying cellulosic materials with lower fatty acid vapors
CA325984A (en) Production of substituted benzo-carbazole-carboxylic acids
CA318839A (en) Production of diesters of carboxylic acids