DE108577C - - Google Patents
Info
- Publication number
- DE108577C DE108577C DENDAT108577D DE108577DA DE108577C DE 108577 C DE108577 C DE 108577C DE NDAT108577 D DENDAT108577 D DE NDAT108577D DE 108577D A DE108577D A DE 108577DA DE 108577 C DE108577 C DE 108577C
- Authority
- DE
- Germany
- Prior art keywords
- water
- chloroform
- sulfuric acid
- deoxytheobromine
- anhydrous
- 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
- LRFVTYWOQMYALW-UHFFFAOYSA-N 9H-xanthine Chemical class O=C1NC(=O)NC2=C1NC=N2 LRFVTYWOQMYALW-UHFFFAOYSA-N 0.000 claims description 13
- RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 claims description 8
- YAPQBXQYLJRXSA-UHFFFAOYSA-N theobromine Chemical compound CN1C(=O)NC(=O)C2=C1N=CN2C YAPQBXQYLJRXSA-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- LPHGQDQBBGAPDZ-UHFFFAOYSA-N Isocaffeine Natural products CN1C(=O)N(C)C(=O)C2=C1N(C)C=N2 LPHGQDQBBGAPDZ-UHFFFAOYSA-N 0.000 claims description 4
- 229960001948 caffeine Drugs 0.000 claims description 4
- VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 229960004559 theobromine Drugs 0.000 claims description 4
- 239000003929 acidic solution Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 229940075420 xanthine Drugs 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- HIMXGTXNXJYFGB-UHFFFAOYSA-N alloxan Chemical group O=C1NC(=O)C(=O)C(=O)N1 HIMXGTXNXJYFGB-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000019439 ethyl acetate Nutrition 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000011507 gypsum plaster Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229940083747 low-ceiling diuretics xanthine derivative Drugs 0.000 description 1
- 239000000021 stimulant Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D473/00—Heterocyclic compounds containing purine ring systems
- C07D473/26—Heterocyclic compounds containing purine ring systems with an oxygen, sulphur, or nitrogen atom directly attached in position 2 or 6, but not in both
- C07D473/28—Oxygen atom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE108577C true DE108577C (OSRAM) |
Family
ID=378547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT108577D Active DE108577C (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE108577C (OSRAM) |
-
0
- DE DENDAT108577D patent/DE108577C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2040983C3 (de) | Acrylsäurederivate des 2,2,6,6-Tetramethylpiperidins und Verfahren zu deren Herstellung | |
| DE2415082C3 (de) | 1 -{Cumaran-5-yl-methyl)-piperazine, Verfahren zu ihrer Herstellung und diese Verbindungen enthaltende Arzneimittel | |
| DE108577C (OSRAM) | ||
| SU566524A3 (ru) | Способ получени производных пиридо(1,2-а)-пиримидина или их солей | |
| Zienty et al. | N-Substituted 2-pyrrolidones | |
| DE60012196T2 (de) | Verfahren zur Herstellung von Naphthyridin-3-carbonsäurederivaten | |
| DE1025881B (de) | Verfahren zur Herstellung von Kondensationsprodukten | |
| DE2026997A1 (OSRAM) | ||
| CH638216A5 (de) | Oxadiazolopyrimidin-deriate. | |
| EP0008652A1 (de) | Neue Zwischenprodukte und deren Verwendung zur Herstellung von neuen Oxadiazolopyrimidinderivaten | |
| DE951723C (de) | Verfahren zur Herstellung N-substituierter Normorphin- oder Dihydronormorphinverbindungen bzw. deren Estern und Salzen | |
| DE96925C (OSRAM) | ||
| DE1695554C3 (de) | Verfahren zur Herstellung kondensierter Piperazinonderivate | |
| DE2307301A1 (de) | Pyrazolderivate | |
| DE2122070A1 (de) | 1 Veratryl 4 methyl 5 athyl 7,8 dimethoxy 2,3 diazabicyclo eckige Klam mer auf 5,4,0 eckige Klammer zu undeca pentaen (1,3,6,8,10) und seine Verwendung | |
| DE1967030C3 (de) | γ-Lactame der 6H,7H-cis-7- Amino-3aminomethyl-ceph-3-em-4-carbonsäuren | |
| DE2214488A1 (de) | Verfahren zur Herstellung 1-substituierter 4-Aminopyrrolin-3-one-(2) | |
| DE1121052B (de) | Verfahren zur Herstellung von 4, 5-substituierten 2-Amino-oxazolen | |
| DE1125938B (de) | Verfahren zur Herstellung von 7-Sulfamyl-3, 4-dihydro-1, 2, 4-benzothiadiazin-1, 1-dioxyden | |
| DE58394C (de) | Verfahren zur Darstellung von Derivaten des Hydrastins und Narcotins | |
| DE2404931A1 (de) | Psychotonikum | |
| DE97673C (OSRAM) | ||
| DE848813C (de) | Verfahren zur Herstellung von Abkoemmlingen von Sulfonamiden | |
| DE1445426C (de) | Verfahren zur Herstellnng von Den vaten der 2 Thiobarbitursaure | |
| DE718889C (de) | Verfahren zur Darstellung von Abkoemmlingen des Dihydropyridons |