HK1002730A1 - Process for selectively producing hydrate crystals - Google Patents
Process for selectively producing hydrate crystals Download PDFInfo
- Publication number
- HK1002730A1 HK1002730A1 HK98101536A HK98101536A HK1002730A1 HK 1002730 A1 HK1002730 A1 HK 1002730A1 HK 98101536 A HK98101536 A HK 98101536A HK 98101536 A HK98101536 A HK 98101536A HK 1002730 A1 HK1002730 A1 HK 1002730A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- methyl
- monohydrate
- solvent
- hemihydrate
- carboxylic acid
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D498/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D498/06—Peri-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5045490 | 1990-03-01 | ||
| JP50454/90 | 1990-03-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| HK1002730A1 true HK1002730A1 (en) | 1998-09-11 |
| HK1002730B HK1002730B (en) | 1998-09-11 |
Family
ID=
Also Published As
| Publication number | Publication date |
|---|---|
| EP0444678B1 (en) | 1997-09-03 |
| TW208013B (enExample) | 1993-06-21 |
| YU48328B (sh) | 1998-05-15 |
| GR3025276T3 (en) | 1998-02-27 |
| IE910692A1 (en) | 1991-09-11 |
| PT96917A (pt) | 1991-10-31 |
| EP0444678A1 (en) | 1991-09-04 |
| DE69127485T2 (de) | 1998-04-02 |
| KR910016748A (ko) | 1991-11-05 |
| PT96917B (pt) | 1998-07-31 |
| KR970000045B1 (ko) | 1997-01-04 |
| DE69127485D1 (de) | 1997-10-09 |
| IN172207B (enExample) | 1993-05-01 |
| YU35491A (sh) | 1994-04-05 |
| ES2106739T3 (es) | 1997-11-16 |
| ATE157666T1 (de) | 1997-09-15 |
| US5545737A (en) | 1996-08-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PF | Patent in force | ||
| PE | Patent expired |
Effective date: 20110227 |