CH495353A - Verfahren zur Herstellung eines trimeren Kondensationsproduktes eines Dihydropyrancarboxaldehyds - Google Patents
Verfahren zur Herstellung eines trimeren Kondensationsproduktes eines DihydropyrancarboxaldehydsInfo
- Publication number
- CH495353A CH495353A CH885265A CH885265A CH495353A CH 495353 A CH495353 A CH 495353A CH 885265 A CH885265 A CH 885265A CH 885265 A CH885265 A CH 885265A CH 495353 A CH495353 A CH 495353A
- Authority
- CH
- Switzerland
- Prior art keywords
- pyran
- dihydro
- formyl
- catalyst
- condensation
- Prior art date
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2660664A GB1108017A (en) | 1964-06-26 | 1964-06-26 | Condensation of heterocyclic aldehydes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH495353A true CH495353A (de) | 1970-08-31 |
Family
ID=10246277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH885265A CH495353A (de) | 1964-06-26 | 1965-06-24 | Verfahren zur Herstellung eines trimeren Kondensationsproduktes eines Dihydropyrancarboxaldehyds |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT259559B (da) |
| BE (1) | BE665980A (da) |
| CH (1) | CH495353A (da) |
| DK (1) | DK111417B (da) |
| GB (1) | GB1108017A (da) |
| NL (2) | NL6508069A (da) |
| SE (1) | SE314990B (da) |
-
0
- BE BE665980D patent/BE665980A/xx unknown
- NL NL128797D patent/NL128797C/xx active
-
1964
- 1964-06-26 GB GB2660664A patent/GB1108017A/en not_active Expired
-
1965
- 1965-06-23 NL NL6508069A patent/NL6508069A/xx unknown
- 1965-06-24 DK DK321165A patent/DK111417B/da unknown
- 1965-06-24 SE SE844165A patent/SE314990B/xx unknown
- 1965-06-24 CH CH885265A patent/CH495353A/de not_active IP Right Cessation
- 1965-06-28 AT AT588665A patent/AT259559B/de active
Also Published As
| Publication number | Publication date |
|---|---|
| SE314990B (da) | 1969-09-22 |
| BE665980A (da) | |
| NL6508069A (da) | 1965-12-27 |
| DK111417B (da) | 1968-08-19 |
| NL128797C (da) | |
| AT259559B (de) | 1968-01-25 |
| GB1108017A (en) | 1968-03-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |