GR18808B - METHOD FOR THE MANUFACTURE OF XANTHENIAN PRODUCERS. - Google Patents

METHOD FOR THE MANUFACTURE OF XANTHENIAN PRODUCERS.

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Publication number
GR18808B
GR18808B GR570118808A GR570118808A GR18808B GR 18808 B GR18808 B GR 18808B GR 570118808 A GR570118808 A GR 570118808A GR 570118808 A GR570118808 A GR 570118808A GR 18808 B GR18808 B GR 18808B
Authority
GR
Greece
Prior art keywords
groups
coated
xanthenian
producers
manufacture
Prior art date
Application number
GR570118808A
Other languages
Greek (el)
Original Assignee
F. Hoffmann La Roche & Co A.G.
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 F. Hoffmann La Roche & Co A.G. filed Critical F. Hoffmann La Roche & Co A.G.
Priority to GR570118808A priority Critical patent/GR18808B/en
Publication of GR18808B publication Critical patent/GR18808B/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

έθοδος δια την παρασκευήν νέων παραγώγων των ξανθενίων, διακρινομένη εκ τούτου, ότι μίαν ξανθόνην ήθειοξανθόνην ενδεχομένως υποκατεστημένην δι' αλκυλικών, αραλκυλικών, αρυλικών ομάδων, αλκοξύ-ομάδων, αραλκιξύ-ομάδων, αρυλοξύ-ομάδων, αλκυλοθειοομάδων, αραλκυλο-θειοομάδων, αρυλοθειοομάδων, αλογονομάδων, και/ή δια κεκαλυμμένων ακυλικών ομάδων, κεκαλυμμένων αμινικών ομάδων, κεκαλυμμένων υδροξύ-ομάδων και/ή κεκαλυμμένων καρβοξύ-ομάδων, φέρομενεις αντίδρασιν με μίαν μη αρωματικήν, οργανομεταλλικήν ένωσιν, εμφανίζουσαν μίαν τριτοταγή αμινικήν ομάδα,της οποίας ενώσεως η οργανομεταλλική ομάς εμφανίζει περισσότερα των 2 ατόμων άνθρακος, το προϊόν της αντιδράσεως υποβάλλομεν εις υδρόλυσιν, αποχωρίζομεν τας ενδεχομένως περιεχομένας προστατευτικάς ομάδας, και, εάν είναι επιθυμητόν, υποβάλλομεν εις κατεργασίαν μετά μέσων αφαιρούντων το ύδωρ. process for the preparation of new xanthene derivatives, characterized in that a xanthone ethioxanthone may be substituted by alkyl, aralkyl, aryl groups, alkoxy groups, aralkoxy groups, acyl group, and / or by coated acyl groups, coated amine groups, coated hydroxy groups and / or coated carboxy groups, reacting with a non-aromatic, organometallic compound exhibited a group of more than 2 tertiary amino carbon atoms, the product of the reaction is hydrolyzed, the potentially containing protecting groups are separated, and, if desired, treated with water-removing means.

GR570118808A 1957-06-11 1957-06-11 METHOD FOR THE MANUFACTURE OF XANTHENIAN PRODUCERS. GR18808B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GR570118808A GR18808B (en) 1957-06-11 1957-06-11 METHOD FOR THE MANUFACTURE OF XANTHENIAN PRODUCERS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR570118808A GR18808B (en) 1957-06-11 1957-06-11 METHOD FOR THE MANUFACTURE OF XANTHENIAN PRODUCERS.

Publications (1)

Publication Number Publication Date
GR18808B true GR18808B (en) 1958-06-16

Family

ID=36859934

Family Applications (1)

Application Number Title Priority Date Filing Date
GR570118808A GR18808B (en) 1957-06-11 1957-06-11 METHOD FOR THE MANUFACTURE OF XANTHENIAN PRODUCERS.

Country Status (1)

Country Link
GR (1) GR18808B (en)

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