CH545781A - - Google Patents
Info
- Publication number
- CH545781A CH545781A CH48771A CH545781DA CH545781A CH 545781 A CH545781 A CH 545781A CH 48771 A CH48771 A CH 48771A CH 545781D A CH545781D A CH 545781DA CH 545781 A CH545781 A CH 545781A
- Authority
- CH
- Switzerland
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
- C07D309/28—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 hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D309/30—Oxygen atoms, e.g. delta-lactones
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702008131 DE2008131C3 (de) | 1970-02-21 | Verfahren zur Herstellung von 6-Alkoxy-5,6-dihydro-4H-pyranen | |
| US11388871A | 1971-02-09 | 1971-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH545781A true CH545781A (xx) | 1974-02-15 |
Family
ID=25758690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH48771A CH545781A (xx) | 1970-02-21 | 1971-01-13 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3691205A (xx) |
| BE (1) | BE763173A (xx) |
| CH (1) | CH545781A (xx) |
| FR (1) | FR2078590A5 (xx) |
| GB (1) | GB1330055A (xx) |
| NL (1) | NL7101438A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2504930C2 (de) * | 1975-02-06 | 1983-02-10 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von 2,6,6- Trimethyl-cyclohex-2-en-1-on |
| DE3711269A1 (de) * | 1987-04-03 | 1988-10-13 | Basf Ag | 3,4-dihydro-2h-pyrane |
| JP5576366B2 (ja) | 2008-06-19 | 2014-08-20 | ダウ グローバル テクノロジーズ エルエルシー | グルタルアルデヒドの製造 |
-
1971
- 1971-01-13 CH CH48771A patent/CH545781A/xx not_active IP Right Cessation
- 1971-02-03 NL NL7101438A patent/NL7101438A/xx unknown
- 1971-02-09 US US113888A patent/US3691205A/en not_active Expired - Lifetime
- 1971-02-15 FR FR7104956A patent/FR2078590A5/fr not_active Expired
- 1971-02-19 BE BE763173A patent/BE763173A/xx unknown
- 1971-04-19 GB GB2224171A patent/GB1330055A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2078590A5 (xx) | 1971-11-05 |
| BE763173A (fr) | 1971-08-19 |
| NL7101438A (xx) | 1971-08-24 |
| US3691205A (en) | 1972-09-12 |
| GB1330055A (en) | 1973-09-12 |
| DE2008131A1 (de) | 1971-09-02 |
| DE2008131B2 (de) | 1976-05-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |