NL7007664A - - Google Patents
Info
- Publication number
- NL7007664A NL7007664A NL7007664A NL7007664A NL7007664A NL 7007664 A NL7007664 A NL 7007664A NL 7007664 A NL7007664 A NL 7007664A NL 7007664 A NL7007664 A NL 7007664A NL 7007664 A NL7007664 A NL 7007664A
- Authority
- NL
- Netherlands
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/34—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D309/36—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Biophysics (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH810869A CH514573A (de) | 1969-05-29 | 1969-05-29 | Verfahren zur Herstellung von 3-Halogenacetyl-6-halogenmethyl-2,4-dioxo-2,3-dihydro-4-H-pyran |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7007664A true NL7007664A (xx) | 1970-12-01 |
Family
ID=4335282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7007664A NL7007664A (xx) | 1969-05-29 | 1970-05-27 |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH514573A (xx) |
| DE (1) | DE2025572A1 (xx) |
| FR (1) | FR2043794A1 (xx) |
| GB (1) | GB1258033A (xx) |
| NL (1) | NL7007664A (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993006235A1 (en) * | 1991-09-20 | 1993-04-01 | Zeneca Limited | Process for the preparation of enantiomerically pure 4-hydroxytetrahydro-2-pyranone derivatives |
| JP2002363174A (ja) | 2001-06-08 | 2002-12-18 | Sumitomo Chem Co Ltd | ピロン化合物及びその用途 |
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1969
- 1969-05-29 CH CH810869A patent/CH514573A/de not_active IP Right Cessation
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1970
- 1970-05-26 DE DE19702025572 patent/DE2025572A1/de active Pending
- 1970-05-27 NL NL7007664A patent/NL7007664A/xx unknown
- 1970-05-27 GB GB1258033D patent/GB1258033A/en not_active Expired
- 1970-05-29 FR FR7019846A patent/FR2043794A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2025572A1 (de) | 1970-12-03 |
| GB1258033A (xx) | 1971-12-22 |
| FR2043794A1 (xx) | 1971-02-19 |
| CH514573A (de) | 1971-10-31 |