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
GB29788/50A
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.)
Bayer AG
Original Assignee
Bayer AG
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Filing date
Publication date
Application filed by Bayer AGfiledCriticalBayer AG
Publication of GB685667ApublicationCriticalpatent/GB685667A/en
The invention comprises: vitamin B1 naphthalene - 1 : 5 - disulphonate; the production thereof by reacting vitamin B1 or an easily soluble salt thereof with naphthalene-1 : 5-disulphonic acid or a salt thereof in an aqueous or alcoholic solvent; and foodstuffs enriched therewith (see Group VI). In examples: (1) vitamin B1 dihydrochloride is reacted with naphthalene-1 : 5-disulphonic acid in water; (2) vitamin B1 monohydrochloride is reacted with naphthalene-1 : 5-disulphonic acid in methanol.ALSO:Foodstuffs, especially farinaceous substances (e.g. flour, noodles and spaghetti), are enriched with vitamin B1 naphthalene-1 : 5-disulphonate.
GB29788/50A1949-12-051950-12-05A sparingly soluble new vitamin b salt and foodstuffs enriched therewith
ExpiredGB685667A
(en)
Improvements in or relating to process of producing 2'5 dichlorobenzene sulphonic salts of antimalarial organic bases, andthe products resulting therefrom