DE230865C - - Google Patents

Info

Publication number
DE230865C
DE230865C DENDAT230865D DE230865DA DE230865C DE 230865 C DE230865 C DE 230865C DE NDAT230865 D DENDAT230865 D DE NDAT230865D DE 230865D A DE230865D A DE 230865DA DE 230865 C DE230865 C DE 230865C
Authority
DE
Germany
Prior art keywords
pyridine
sulfurous acid
acid ester
solution
dyes
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
DENDAT230865D
Other languages
German (de)
English (en)
Publication of DE230865C publication Critical patent/DE230865C/de
Active legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/62Oxygen or sulfur atoms
    • C07D213/63One oxygen atom
DENDAT230865D Active DE230865C (US07101912-20060905-C00012.png)

Publications (1)

Publication Number Publication Date
DE230865C true DE230865C (US07101912-20060905-C00012.png)

Family

ID=491043

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT230865D Active DE230865C (US07101912-20060905-C00012.png)

Country Status (1)

Country Link
DE (1) DE230865C (US07101912-20060905-C00012.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19519457C1 (de) * 1995-05-26 1996-05-15 Armstrong World Ind Gmbh Isolierteil
US7101912B2 (en) 2002-12-06 2006-09-05 Xenoport, Inc. Carbidopa prodrugs and derivatives, and compositions and uses thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19519457C1 (de) * 1995-05-26 1996-05-15 Armstrong World Ind Gmbh Isolierteil
US7101912B2 (en) 2002-12-06 2006-09-05 Xenoport, Inc. Carbidopa prodrugs and derivatives, and compositions and uses thereof

Similar Documents

Publication Publication Date Title
DE230865C (US07101912-20060905-C00012.png)
DE686198C (de) Verfahren zur Herstellung von Azomethiniumfarbstoffen
DE350321C (de) Verfahren zur Herstellung eines Monoaminoakridins
DE515468C (de) Verfahren zur Darstellung von ª‰-Naphthylaminophenoxyfettsaeuren
DE727697C (de) Verfahren zur Herstellung von Derivaten schwer- bis unloeslicher, mindestens eine Hydroxylgruppe enthaltender Azofarbstoffe
DE228698C (US07101912-20060905-C00012.png)
DE445566C (de) Verfahren zur Darstellung loeslicher Verbindungen von indigoiden Farbstoffen
DE646301C (de) Verfahren zur Darstellung von Beizenfarbstoffen
Tiegs A colour test for guanidine bases, together with some physiological applications
DE167572C (US07101912-20060905-C00012.png)
DE108128C (US07101912-20060905-C00012.png)
Bailey A new principle applied to the staining of the fibrillary neuroglia
DE497411C (de) Verfahren zur Darstellung von Anthrapyridon-N-fettsaeuren
DE236046C (US07101912-20060905-C00012.png)
DE859154C (de) Verfahren zur Herstellung von Schiff'schen Basen der p-Aminosalicylsaeure
DE272292C (US07101912-20060905-C00012.png)
DE208638C (US07101912-20060905-C00012.png)
DE744663C (de) Verfahren zur Herstellung von gefaerbten photographischen Schichten
DE131405C (US07101912-20060905-C00012.png)
DE224979C (US07101912-20060905-C00012.png)
DE415318C (de) Verfahren zur Herstellung von 4-Arylamino-1-arylimino-2-naphthochinonen
DE941669C (de) Verfahren zur Herstellung stickstoffhaltiger Derivate von Trithionen (5-Thion-1, 2-dithiolen)
DE382428C (de) Verfahren zur Herstellung beizenfaerbender Farbstoffe der Triphenylmethanreihe
DE731543C (de) Verfahren zur Herstellung von Kondensationsprodukten aus Harnstoff, Formaldehyd und aromatischen Aminen
AT88520B (de) Verfahren zur Darstellung indigoider Küpenfarbstoffe.