CH319776A - Process for the production of condensation products - Google Patents
Process for the production of condensation productsInfo
- Publication number
- CH319776A CH319776A CH319776DA CH319776A CH 319776 A CH319776 A CH 319776A CH 319776D A CH319776D A CH 319776DA CH 319776 A CH319776 A CH 319776A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- condensation products
- condensation
- products
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D473/00—Heterocyclic compounds containing purine ring systems
- C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
- C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
- C07D473/06—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
- C07D473/08—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3 with methyl radicals in positions 1 and 3, e.g. theophylline
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D473/00—Heterocyclic compounds containing purine ring systems
- C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
- C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
- C07D473/06—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
- C07D473/10—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3 with methyl radicals in positions 3 and 7, e.g. theobromine
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US518936XA | 1952-04-02 | 1952-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH319776A true CH319776A (en) | 1957-02-28 |
Family
ID=21974012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH319776D CH319776A (en) | 1952-04-02 | 1953-03-31 | Process for the production of condensation products |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE518936A (en) |
| CH (1) | CH319776A (en) |
| DE (1) | DE924632C (en) |
| FR (1) | FR1078603A (en) |
| GB (1) | GB736443A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1067821B (en) * | 1956-02-21 | 1959-10-29 | Dr Med Habil Hans Seel | Process for the production of iodocholine- (7) -xanthine |
| DE1207936B (en) * | 1961-03-17 | 1965-12-30 | Boehringer Sohn Ingelheim | Process for the preparation of water-soluble theophylline compounds of bisquaternary ammonium hydroxides |
| JPH01132571A (en) * | 1987-11-18 | 1989-05-25 | Aguro Kanesho Kk | Agricultural and horticultural fungicide |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE571294C (en) * | 1927-03-01 | 1933-02-27 | Egon Gluecksmann | Process for the preparation of salts of quaternary ammonium bases |
-
1953
- 1953-03-29 DE DEN6957A patent/DE924632C/en not_active Expired
- 1953-03-31 CH CH319776D patent/CH319776A/en unknown
- 1953-04-02 GB GB9255/53A patent/GB736443A/en not_active Expired
- 1953-04-02 BE BE518936A patent/BE518936A/en unknown
- 1953-04-02 FR FR1078603D patent/FR1078603A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1078603A (en) | 1954-11-19 |
| DE924632C (en) | 1955-03-07 |
| GB736443A (en) | 1955-09-07 |
| BE518936A (en) | 1955-03-18 |
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