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Application filed by Lepetit S.P.A.filedCriticalLepetit S.P.A.
Priority to GR520114005ApriorityCriticalpatent/GR14005B/en
Publication of GR14005BpublicationCriticalpatent/GR14005B/en
Low-Molecular Organic Synthesis Reactions Using Catalysts
(AREA)
Abstract
έθοδος παρασκευής ερυθρο-1-p-νιτροφαινυλ-2-αμινο,-1,3-προπανοδιόλης του τύπου
(ΤΥΠΟΣ Ι)
περιλαμβανούσης εκλεκτικήν αναγωγήνμε ολιγωτέρα των 1.125 moles Li Al διαλελυμένα εις άνυδρον μέσον ενός ερυθρο-p-νιτροφαινυλ-σερινικού αιθυλεστέρος του τύπου
(ΤΥΠΟΣ ΙΙ)
και αποχωρισμού του επιθυμουμένου προϊόντος εκ του μίγματος αντιδράσεως.method of preparing erythro-1-p-nitrophenyl-2-amino, -1,3-propanediol of the formula
(TYPE I)
including selective reduction with less than 1,125 moles of Li Al dissolved in anhydrous medium of an ethyl red-p-nitrophenyl-serine of the formula
(TYPE II)
and separation of the desired product from the reaction mixture.
GR520114005A1952-11-111952-11-11
METHOD OF TREATMENT RED - NITROPHENYL-SERINIC ETHYLER IN RED - NITROPHINYLSERINOL.
GR14005B
(en)