DE99874C - - Google Patents

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Publication number
DE99874C
DE99874C DENDAT99874D DE99874DA DE99874C DE 99874 C DE99874 C DE 99874C DE NDAT99874 D DENDAT99874 D DE NDAT99874D DE 99874D A DE99874D A DE 99874DA DE 99874 C DE99874 C DE 99874C
Authority
DE
Germany
Prior art keywords
acid
dinitrodisulfoanthraflavic
sulphurising
iri
nitrated
Prior art date
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.)
Active
Application number
DENDAT99874D
Other languages
German (de)
Publication of DE99874C publication Critical patent/DE99874C/de
Active legal-status Critical Current

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

Description

(2. Auflage, ausgegeben am 2g. Januar 1900.J " (2nd edition, issued on January 2nd, 1900.J "

BERLIN. GEDRUCKT IN DER REItHSDRUCKEREI.BERLIN. PRINTED IN THE PRINTING SHOP.

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Darstellung von Dinitrodisulfoanthraflavinsäure, darin bestehend, dafs man Anthraflavinsäure sulfurirt und, nach oder ohne Isolirung der gebildeten Sulfosäure, dieselbe iri üblicher Weise nitrirt.Process for the preparation of dinitrodisulfoanthraflavic acid, consisting in sulphurising anthraflavic acid and, after or without isolating the sulphonic acid formed, iri it nitrated in the usual way.
DENDAT99874D Active DE99874C (en)

Publications (1)

Publication Number Publication Date
DE99874C true DE99874C (en)

Family

ID=370717

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT99874D Active DE99874C (en)

Country Status (1)

Country Link
DE (1) DE99874C (en)

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