ES455874A1 - Un procedimiento para la preparacion de nuevas azetidlnonas y derivados de las mismas. - Google Patents
Un procedimiento para la preparacion de nuevas azetidlnonas y derivados de las mismas.Info
- Publication number
- ES455874A1 ES455874A1 ES455874A ES455874A ES455874A1 ES 455874 A1 ES455874 A1 ES 455874A1 ES 455874 A ES455874 A ES 455874A ES 455874 A ES455874 A ES 455874A ES 455874 A1 ES455874 A1 ES 455874A1
- Authority
- ES
- Spain
- Prior art keywords
- preparation
- alkyl
- formula
- protected
- azetidinones
- Prior art date
- 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
- 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
- C07D205/09—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 with a sulfur atom directly attached in position 4
- C07D205/095—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 with a sulfur atom directly attached in position 4 and with a nitrogen atom directly attached in position 3
-
- 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)
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Un procedimiento para la preparación de nuevas azetidinonas y derivados de las mismas, útiles como productos intermedios en la preparación de compuestos antibacterialmente activos, de fórmula: **(fórmula)** donde R{sub,a} es alquilo C{sub,1}-C{sub,4}; R{sub,1} es hidrógeno o un grupo protector del carboxi y R es (a) ftalimido; (b) un grupo amido de fórmula R{sub,2}-C=O-NH- donde R{sub,2} es (1} hidrógeno, alquilo C{sub,1}-C{sub,3}, halometilo, tienil-2-metilo, 4-amino protegido-4-carboxi protegido-butilo, benciloxi, 4 nitrobenciloxi, t-butiloxi, 2,2,2-tricloroetoxi o 4-metoxibenciloxi, (2) un grupo de fórmula R''-(0){sub,m}-OH{sub,2}-, donde m es 0 o 1 y R'' es fenilo o fenilo sustituido con uno o dos halógenos, hidroxi protegido, nitro, ciano, trifluormetilo, alquilo C{sub,1}-C{sub,4} o alcoxi C{sub,1}-C{sub,2}.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US66020976A | 1976-02-23 | 1976-02-23 | |
US05/669,938 US4115383A (en) | 1976-02-23 | 1976-03-24 | Alkoxycarbonyl-ethylthio-azetidinones and process for their preparation |
Publications (1)
Publication Number | Publication Date |
---|---|
ES455874A1 true ES455874A1 (es) | 1978-06-01 |
Family
ID=27098013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES455874A Expired ES455874A1 (es) | 1976-02-23 | 1977-02-11 | Un procedimiento para la preparacion de nuevas azetidlnonas y derivados de las mismas. |
Country Status (6)
Country | Link |
---|---|
DE (1) | DE2707815A1 (es) |
ES (1) | ES455874A1 (es) |
FR (1) | FR2341569A1 (es) |
GB (1) | GB1570929A (es) |
IL (1) | IL51357A0 (es) |
NL (1) | NL7701791A (es) |
-
1977
- 1977-01-30 IL IL51357A patent/IL51357A0/xx unknown
- 1977-02-11 ES ES455874A patent/ES455874A1/es not_active Expired
- 1977-02-16 GB GB6534/77A patent/GB1570929A/en not_active Expired
- 1977-02-18 NL NL7701791A patent/NL7701791A/xx not_active Application Discontinuation
- 1977-02-23 FR FR7705251A patent/FR2341569A1/fr not_active Withdrawn
- 1977-02-23 DE DE19772707815 patent/DE2707815A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB1570929A (en) | 1980-07-09 |
IL51357A0 (en) | 1977-03-31 |
FR2341569A1 (fr) | 1977-09-16 |
DE2707815A1 (de) | 1977-09-01 |
NL7701791A (nl) | 1977-08-25 |
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