FR2273002B1 - - Google Patents
Info
- Publication number
- FR2273002B1 FR2273002B1 FR7516674A FR7516674A FR2273002B1 FR 2273002 B1 FR2273002 B1 FR 2273002B1 FR 7516674 A FR7516674 A FR 7516674A FR 7516674 A FR7516674 A FR 7516674A FR 2273002 B1 FR2273002 B1 FR 2273002B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/93—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems condensed with a ring other than six-membered
- C07D307/935—Not further condensed cyclopenta [b] furans or hydrogenated cyclopenta [b] furans
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
- C07D307/82—Benzo [b] furans; Hydrogenated benzo [b] furans 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 carbon atoms of the hetero ring
- C07D307/83—Oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5963774A JPS5343500B2 (US06373033-20020416-M00002.png) | 1974-05-29 | 1974-05-29 | |
| JP49109977A JPS5139660A (en) | 1974-09-26 | 1974-09-26 | Sokanjoganmaa rakutonoseizosuruhoho |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2273002A1 FR2273002A1 (US06373033-20020416-M00002.png) | 1975-12-26 |
| FR2273002B1 true FR2273002B1 (US06373033-20020416-M00002.png) | 1978-02-24 |
Family
ID=26400693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7516674A Expired FR2273002B1 (US06373033-20020416-M00002.png) | 1974-05-29 | 1975-05-28 |
Country Status (5)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4217284A (en) * | 1976-10-05 | 1980-08-12 | Kowa Company Ltd. | Process for preparation of optically pure lactones from monoesters of cis-cyclopentenediol |
| DE3017068A1 (de) * | 1980-05-03 | 1981-11-05 | Haarmann & Reimer Gmbh, 3450 Holzminden | Verwendung von di- und tetrahydrobenzofuranderivaten als riech- und aromastoffe sowie diese enthaltende riech- und aromastoffkompositionen |
| JPS61210080A (ja) * | 1985-03-13 | 1986-09-18 | Chisso Corp | アルデヒドラクトンの製造法 |
| KR20020020793A (ko) * | 1999-07-22 | 2002-03-15 | 마리아 살바테라-가르시아, 버나드 봅 | γ-불포화 β-락톤의 제조방법, 및 방향 성분과 향미성분으로서의 그 용도 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1269127A (fr) * | 1960-06-20 | 1961-08-11 | Rhone Poulenc Sa | Procédé de préparation de l'acide chrysanthémique |
| US3299100A (en) * | 1963-11-20 | 1967-01-17 | Gulf Oil Corp | Manufacture of butyrolactones |
-
1975
- 1975-05-21 GB GB2201775A patent/GB1469086A/en not_active Expired
- 1975-05-28 FR FR7516674A patent/FR2273002B1/fr not_active Expired
- 1975-05-28 DE DE2523695A patent/DE2523695C3/de not_active Expired
- 1975-05-29 CH CH692575A patent/CH597214A5/xx not_active IP Right Cessation
- 1975-05-29 US US05/582,002 patent/US3970673A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2523695C3 (de) | 1978-08-31 |
| US3970673A (en) | 1976-07-20 |
| GB1469086A (en) | 1977-03-30 |
| FR2273002A1 (US06373033-20020416-M00002.png) | 1975-12-26 |
| DE2523695A1 (de) | 1975-12-04 |
| DE2523695B2 (de) | 1977-12-29 |
| CH597214A5 (US06373033-20020416-M00002.png) | 1978-03-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |