NL270040A - - Google Patents
Info
- Publication number
- NL270040A NL270040A NL270040DA NL270040A NL 270040 A NL270040 A NL 270040A NL 270040D A NL270040D A NL 270040DA NL 270040 A NL270040 A NL 270040A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- C07D309/16—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D309/20—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hydrogen atoms and substituted hydrocarbon radicals directly attached to ring carbon atoms
- C07D309/22—Radicals substituted by oxygen atoms
- C07D309/26—Carboxaldehyde radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/86—Use of additives, e.g. for stabilisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US61851A US3062838A (en) | 1960-10-11 | 1960-10-11 | Stabilization of 3, 4-dihydro-1, 2-pyran-2-carboxaldehyde |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL270040A true NL270040A (cg-RX-API-DMAC7.html) |
Family
ID=22038555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL270040D NL270040A (cg-RX-API-DMAC7.html) | 1960-10-11 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3062838A (cg-RX-API-DMAC7.html) |
| DE (1) | DE1290550B (cg-RX-API-DMAC7.html) |
| GB (1) | GB913446A (cg-RX-API-DMAC7.html) |
| NL (1) | NL270040A (cg-RX-API-DMAC7.html) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2736751A (en) * | 1956-02-28 | Process of stabilizing | ||
| US2371623A (en) * | 1943-02-06 | 1945-03-20 | Lever Brothers Ltd | Method of preserving soap and resulting product |
| US2479284A (en) * | 1947-03-15 | 1949-08-16 | Shell Dev | Preparation of derivatives of dihydropyran |
| US2562848A (en) * | 1949-01-24 | 1951-07-31 | Shell Dev | Preparation of 6-amino 2-hydroxy carboxylic acid compounds |
| US2537579A (en) * | 1949-08-09 | 1951-01-09 | Shell Dev | Stabilization of 3, 4-dihydro-1, 2-pyran-2-carboxaldehyde |
| DE1020638B (de) * | 1955-06-23 | 1957-12-12 | Union Carbide Corp | Verfahren zur Stabilisierung von 3,4-Dihydro-2-formyl-ª‡-pyran |
| US2800488A (en) * | 1955-06-23 | 1957-07-23 | Union Carbide Corp | Stabilization of 3, 4-dihydro-2-formyl-2h-pyran |
-
0
- NL NL270040D patent/NL270040A/xx unknown
-
1960
- 1960-10-11 US US61851A patent/US3062838A/en not_active Expired - Lifetime
-
1961
- 1961-10-09 GB GB36246/61A patent/GB913446A/en not_active Expired
- 1961-10-09 DE DES76193A patent/DE1290550B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1290550B (de) | 1969-03-13 |
| US3062838A (en) | 1962-11-06 |
| GB913446A (en) | 1962-12-19 |