CH577993A5 - - Google Patents
Info
- Publication number
- CH577993A5 CH577993A5 CH1686672A CH1686672A CH577993A5 CH 577993 A5 CH577993 A5 CH 577993A5 CH 1686672 A CH1686672 A CH 1686672A CH 1686672 A CH1686672 A CH 1686672A CH 577993 A5 CH577993 A5 CH 577993A5
- Authority
- CH
- Switzerland
Links
Classifications
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- 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
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C405/00—Compounds containing a five-membered ring having two side-chains in ortho position to each other, and having oxygen atoms directly attached to the ring in ortho position to one of the side-chains, one side-chain containing, not directly attached to the ring, a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, and the other side-chain having oxygen atoms attached in gamma-position to the ring, e.g. prostaglandins ; Analogues or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/72—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 spiro-condensed with carbocyclic rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00201979A US3833612A (en) | 1971-11-24 | 1971-11-24 | Derivatives of 5-oxo-1 beta-cyclopentane-heptanoic acid,5-ethylene acetals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH577993A5 true CH577993A5 (https=) | 1976-07-30 |
Family
ID=22748073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1686672A CH577993A5 (https=) | 1971-11-24 | 1972-11-20 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3833612A (https=) |
| CH (1) | CH577993A5 (https=) |
| DE (1) | DE2257533A1 (https=) |
| FR (1) | FR2161027B1 (https=) |
| GB (1) | GB1384900A (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3925419A (en) * | 1970-06-22 | 1975-12-09 | Merck & Co Inc | 5-Cyclic ethylene acetals of 5-oxocyclopentane heptanoic acids and esters |
| GB1350971A (en) * | 1971-05-11 | 1974-04-24 | Imp Chemi Als Ind Ltd | Cyclopentane derivatives |
| US3891676A (en) * | 1972-09-20 | 1975-06-24 | Merck & Co Inc | 2-Alpha-carboxy-3-alpha(hydroxyethyl)-5-oxocyclopentane derivatives |
| US3950359A (en) * | 1972-11-24 | 1976-04-13 | Merck & Co., Inc. | Prostaglandins and methods of making same |
| DE2365101A1 (de) * | 1973-12-21 | 1975-07-10 | Schering Ag | Neue prostansaeurederivate und verfahren zu ihrer herstellung |
| US3992413A (en) * | 1975-07-25 | 1976-11-16 | Merck & Co., Inc. | Intermediates in the synthesis of prostaglandins |
| US4358603A (en) * | 1981-04-16 | 1982-11-09 | Syntex (U.S.A.) Inc. | Acetal stabilized prostaglandin compositions |
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1971
- 1971-11-24 US US00201979A patent/US3833612A/en not_active Expired - Lifetime
-
1972
- 1972-11-20 CH CH1686672A patent/CH577993A5/xx not_active IP Right Cessation
- 1972-11-20 GB GB5343872A patent/GB1384900A/en not_active Expired
- 1972-11-23 FR FR7241714A patent/FR2161027B1/fr not_active Expired
- 1972-11-23 DE DE2257533A patent/DE2257533A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US3833612A (en) | 1974-09-03 |
| GB1384900A (en) | 1975-02-26 |
| FR2161027A1 (https=) | 1973-07-06 |
| FR2161027B1 (https=) | 1980-04-18 |
| DE2257533A1 (de) | 1973-05-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |