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
Links
- 239000000975 dye Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 2
- 150000003141 primary amines Chemical class 0.000 claims description 2
- 150000003335 secondary amines Chemical class 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 2
- IKURQZGIWRHWRE-UHFFFAOYSA-N pyridine;sulfurous acid Chemical class OS(O)=O.C1=CC=NC=C1 IKURQZGIWRHWRE-UHFFFAOYSA-N 0.000 claims 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 11
- LSNNMFCWUKXFEE-UHFFFAOYSA-M bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- -1 pyridine-sulphurous acid ester Chemical class 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000007127 saponification reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- FIRXFHJQGIIJDB-UHFFFAOYSA-N 1-methyl-2,3-dihydroindole Chemical compound C1=CC=C2N(C)CCC2=C1 FIRXFHJQGIIJDB-UHFFFAOYSA-N 0.000 description 1
- RWZYAGGXGHYGMB-UHFFFAOYSA-N Anthranilic acid Chemical compound NC1=CC=CC=C1C(O)=O RWZYAGGXGHYGMB-UHFFFAOYSA-N 0.000 description 1
- 230000036826 Excretion Effects 0.000 description 1
- AFBPFSWMIHJQDM-UHFFFAOYSA-N N-Methylaniline Chemical compound CNC1=CC=CC=C1 AFBPFSWMIHJQDM-UHFFFAOYSA-N 0.000 description 1
- FXZWPZMCZNJILD-UHFFFAOYSA-N N-[(6-bromopyridin-3-yl)methyl]ethanamine;hydrochloride Chemical compound Cl.CCNCC1=CC=C(Br)N=C1 FXZWPZMCZNJILD-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating Effects 0.000 description 1
- 230000001476 alcoholic Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000004432 carbon atoms Chemical group C* 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic 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
- C07D213/02—Heterocyclic 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
- C07D213/04—Heterocyclic 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
- C07D213/60—Heterocyclic 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
- C07D213/62—Oxygen or sulfur atoms
- C07D213/63—One oxygen atom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Indole Compounds (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
DE230865C true DE230865C (US07101912-20060905-C00010.png) |
Family
ID=491043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT230865D Active DE230865C (US07101912-20060905-C00010.png) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE230865C (US07101912-20060905-C00010.png) |
Cited By (2)
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 |
-
0
- DE DENDAT230865D patent/DE230865C/de active Active
Cited By (2)
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 |
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