DD255159A5 - Verfahren zur herstellung von optisch aktiven acyloxyazetidienen - Google Patents
Verfahren zur herstellung von optisch aktiven acyloxyazetidienen Download PDFInfo
- Publication number
- DD255159A5 DD255159A5 DD86295632A DD29563286A DD255159A5 DD 255159 A5 DD255159 A5 DD 255159A5 DD 86295632 A DD86295632 A DD 86295632A DD 29563286 A DD29563286 A DD 29563286A DD 255159 A5 DD255159 A5 DD 255159A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- formula
- compounds
- dimethyl
- hydrogen
- dimethylbut
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D499/00—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
- C07D499/88—Compounds with a double bond between positions 2 and 3 and a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D205/00—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
- C07D205/02—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D205/06—Heterocyclic compounds containing four-membered rings with one nitrogen 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
- C07D205/08—Heterocyclic compounds containing four-membered rings with one nitrogen 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 one oxygen atom directly attached in position 2, e.g. beta-lactams
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
- C07F7/1804—Compounds having Si-O-C linkages
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH462685 | 1985-10-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
DD255159A5 true DD255159A5 (de) | 1988-03-23 |
Family
ID=4279642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD86295632A DD255159A5 (de) | 1985-10-28 | 1986-10-27 | Verfahren zur herstellung von optisch aktiven acyloxyazetidienen |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0221846A1 (fr) |
JP (1) | JPS62106074A (fr) |
DD (1) | DD255159A5 (fr) |
DK (1) | DK513386A (fr) |
PT (1) | PT83619B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1197873B (it) * | 1986-10-15 | 1988-12-21 | Erba Farmitalia | Procedimento per la preparazione di azetidinoni |
GB8702139D0 (en) * | 1987-01-30 | 1987-03-04 | Ici Plc | Process |
US5317100A (en) * | 1988-11-04 | 1994-05-31 | Ciba-Geigy Corp. | Process for the preparation of optically active acyloxyazetidinones |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3587546D1 (de) * | 1984-10-01 | 1993-09-30 | Ciba Geigy | Verfahren zur Herstellung von optisch aktiven Acyloxyazetidinonen. |
-
1986
- 1986-10-22 EP EP86810474A patent/EP0221846A1/fr not_active Withdrawn
- 1986-10-27 PT PT83619A patent/PT83619B/pt unknown
- 1986-10-27 DK DK513386A patent/DK513386A/da not_active Application Discontinuation
- 1986-10-27 DD DD86295632A patent/DD255159A5/de unknown
- 1986-10-27 JP JP61253878A patent/JPS62106074A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
PT83619A (en) | 1986-11-01 |
JPS62106074A (ja) | 1987-05-16 |
DK513386D0 (da) | 1986-10-27 |
DK513386A (da) | 1987-04-29 |
PT83619B (en) | 1988-11-21 |
EP0221846A1 (fr) | 1987-05-13 |
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