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Expired
Application number
GB7409/43A
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F Hoffmann La Roche AG
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F Hoffmann La Roche AG
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Publication of GB568355ApublicationCriticalpatent/GB568355A/en
C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
C07C233/16—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
d(+) - a g - Dihydroxy - b b - dimethyl - butyric acid - (hydroxyalkyl) - amides, which are new compounds, exerting the activities of pantothenic acid, are obtained by allowing alkanolamines to react with d(-)a -dihydroxy-b b -dimethyl-g -butyrolactone. Examples relate to the production of (i) the g -hydroxypropylamide; (ii) the b -hydroxyethylamide. A sample has been furnished, under Sect. 2 (5), of a (+) - a g - dihydroxy-b b -dimethylbutyric acid (11 - methyl - 31 - hydroxy)propylamide.
GB7409/43A1942-05-081943-05-10Process for the manufacture of d(+)-a,y-dihydroxy-ª‰,ª‰-dimethyl-butyric-acid-(hydroxy-alkyl)-amides
ExpiredGB568355A
(en)
Procedure for the obtaining of gluconate 2-/1,1-difenil-propil- (3) -amino/-3-phenyl-propane (Machine-translation by Google Translate, not legally binding)