BE763173A - Procede de preparation de 6-alcoxy-5,6-dihydro-4h-pyrannes - Google Patents
Procede de preparation de 6-alcoxy-5,6-dihydro-4h-pyrannesInfo
- Publication number
- BE763173A BE763173A BE763173A BE763173A BE763173A BE 763173 A BE763173 A BE 763173A BE 763173 A BE763173 A BE 763173A BE 763173 A BE763173 A BE 763173A BE 763173 A BE763173 A BE 763173A
- Authority
- BE
- Belgium
- Prior art keywords
- pyrannes
- alcoxy
- dihydro
- preparation
- 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
- C07D309/28—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 |
---|---|
BE763173A true BE763173A (fr) | 1971-08-19 |
Family
ID=25758690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE763173A BE763173A (fr) | 1970-02-21 | 1971-02-19 | Procede de preparation de 6-alcoxy-5,6-dihydro-4h-pyrannes |
Country Status (6)
Country | Link |
---|---|
US (1) | US3691205A (fr) |
BE (1) | BE763173A (fr) |
CH (1) | CH545781A (fr) |
FR (1) | FR2078590A5 (fr) |
GB (1) | GB1330055A (fr) |
NL (1) | NL7101438A (fr) |
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 |
BRPI0910026A2 (pt) | 2008-06-19 | 2015-12-29 | Dow Global Technologies Inc | processo para preparar glutaraldeído |
-
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/fr unknown
- 1971-04-19 GB GB2224171A patent/GB1330055A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH545781A (fr) | 1974-02-15 |
NL7101438A (fr) | 1971-08-24 |
DE2008131A1 (de) | 1971-09-02 |
GB1330055A (en) | 1973-09-12 |
US3691205A (en) | 1972-09-12 |
FR2078590A5 (fr) | 1971-11-05 |
DE2008131B2 (de) | 1976-05-06 |
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