ES436170A1 - Un procedimiento para la preparacion de compuestos de ureido-cefalosporina. - Google Patents
Un procedimiento para la preparacion de compuestos de ureido-cefalosporina.Info
- Publication number
- ES436170A1 ES436170A1 ES436170A ES436170A ES436170A1 ES 436170 A1 ES436170 A1 ES 436170A1 ES 436170 A ES436170 A ES 436170A ES 436170 A ES436170 A ES 436170A ES 436170 A1 ES436170 A1 ES 436170A1
- Authority
- ES
- Spain
- Prior art keywords
- esters
- formula
- image
- cephalosporins
- furoyl
- 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
- C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
- C07D501/14—Compounds having a nitrogen atom directly attached in position 7
- C07D501/16—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
- C07D501/20—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
- C07D501/24—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3
- C07D501/36—Methylene radicals, substituted by sulfur atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45649174A | 1974-04-01 | 1974-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES436170A1 true ES436170A1 (es) | 1977-02-01 |
Family
ID=23812977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES436170A Expired ES436170A1 (es) | 1974-04-01 | 1975-03-31 | Un procedimiento para la preparacion de compuestos de ureido-cefalosporina. |
Country Status (24)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4063019A (en) | 1976-03-30 | 1977-12-13 | E. R. Squibb & Sons, Inc. | [[[(2,4-Dioxo-1-imidazolidinyl)amino]carbonyl]amino]-acetylcephalosporin derivatives |
-
1975
- 1975-03-20 JP JP50034264A patent/JPS50130784A/ja active Pending
- 1975-03-26 DK DK130275A patent/DK130275A/da not_active Application Discontinuation
- 1975-03-27 CH CH401875A patent/CH614716A5/xx not_active IP Right Cessation
- 1975-03-27 AU AU79636/75A patent/AU7963675A/en not_active Expired
- 1975-03-28 HU HU75EI00000606A patent/HU171886B/hu unknown
- 1975-03-28 IL IL46955A patent/IL46955A/en unknown
- 1975-03-29 DE DE19752513954 patent/DE2513954A1/de not_active Ceased
- 1975-03-29 PL PL1975179228A patent/PL95575B1/pl unknown
- 1975-03-29 BG BG029483A patent/BG27235A3/xx unknown
- 1975-03-31 ES ES436170A patent/ES436170A1/es not_active Expired
- 1975-03-31 PH PH16987A patent/PH12409A/en unknown
- 1975-03-31 SU SU7502119549A patent/SU584788A3/ru active
- 1975-04-01 BE BE1006566A patent/BE827450A/xx not_active IP Right Cessation
- 1975-04-01 FR FR7510142A patent/FR2265393B1/fr not_active Expired
- 1975-04-01 CA CA223,505A patent/CA1068260A/en not_active Expired
- 1975-04-01 GB GB13384/75A patent/GB1502342A/en not_active Expired
- 1975-04-01 ZA ZA752005A patent/ZA752005B/xx unknown
- 1975-04-01 SE SE7503706A patent/SE7503706L/xx unknown
- 1975-04-01 AT AT247575A patent/AT336790B/de not_active IP Right Cessation
- 1975-04-01 AR AR258199A patent/AR209924A1/es active
- 1975-04-01 CS CS7500002205A patent/CS185229B2/cs unknown
- 1975-04-01 DD DD185119A patent/DD118882A5/xx unknown
- 1975-04-01 NL NL7503882A patent/NL7503882A/xx not_active Application Discontinuation
- 1975-04-02 IE IE707/75A patent/IE42329B1/en unknown
Also Published As
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