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Application filed by Parke, Davis & CompanyfiledCriticalParke, Davis & Company
Priority to GR510118371ApriorityCriticalpatent/GR18371B/en
Publication of GR18371BpublicationCriticalpatent/GR18371B/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
έθοδος πρός απόληψιν μιάς ενώσεως 1,3-διοξάνης αχοβέης τον τύπον (Ι) ήτις περιλαμβάνει την υποβολήνμιάς ενώσεως εχον αμιδοδιόλης του τύπου (ΙΙ) υπόανδόρους συνθήκας παρουσία ενός παράγοντος αφυδατώσεως είς αντίδρασιν με μία ένωσιν καρβονυλίου τουτύπου (ΙΙΙ) ένθα το R είναι μία αλογονωμένη ακυλική ρίζα καρβοζυλικού οξέος κατωτέρας ελιφατικής σειράς και τα R1 και R2 είνα τα αυτά ή διάφορα και παριστώσιν υδρογόνον, κατωτέρας ρίζας αλκυλίου, φαινυλίου ή φαιναλκυλίου.
A process for obtaining an acetone 1,3-dioxane compound of formula (I) thus comprising subjecting a compound having amidiol of formula (II) to a hypochlorite condition in the presence of a dehydrating agent in reaction with a carbonyl compound of the formula ( lower auricular carboxylic acid acyl radical and R1 and R2 are the same or different and represent hydrogen, lower alkyl, phenyl or phenalkyl radical.
GR510118371A1951-06-301951-06-30
METHOD FOR EXTRACTING HETEROCYCLE COMPOUNDS.
GR18371B
(en)
A method for the preparation of (1) -treo-nitro-phenyl-amino-propanodiols and their derivatives (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of polymeric compositions, stable against the action of heat, aging and light (Machine-translation by Google Translate, not legally binding)
A procedure for the preparation of 1,2-diaril-3,5-dioxo-pirazolidines, replaced in position 4 (Machine-translation by Google Translate, not legally binding)