ES454266A1 - Shinkina penishirinruino seizoho - Google Patents
Shinkina penishirinruino seizohoInfo
- Publication number
- ES454266A1 ES454266A1 ES454266A ES454266A ES454266A1 ES 454266 A1 ES454266 A1 ES 454266A1 ES 454266 A ES454266 A ES 454266A ES 454266 A ES454266 A ES 454266A ES 454266 A1 ES454266 A1 ES 454266A1
- Authority
- ES
- Spain
- Prior art keywords
- see formula
- reactive derivative
- group
- general formula
- formula
- 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
Landscapes
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Abstract
A procedure for the production of a reactive derivative in the carboxyl group of 2,3-dioxopiperazine of general formula (I): **(See formula)** where R2 and R3 are attached to the same carbon atom and each of them, which may be the same or different, individually represent a hydrogen atom or an alkyl group; A represents a substituted or unsubstituted alkyl, alkenyl, aryl or aralkyl group and the term "reactive derivative" means acid halides, azides, acid cyanides, mixed anhydrides, active esters and active amides; whose procedure consists of reacting a compound represented by the general formula (III): **(See formula)** where R2, R3 and A are as defined above, with a compound represented by the general formula (IV): **(See formula)** where Y represents a halogen atom and R5 represents a halogen atom or an ester moiety, in inert solvents, in the presence or absence of an acid accepting agent, at a temperature between -60º and 50ºC and then, if it is desired to convert the group (see formula) into a different reactive derivative on the carboxyl group. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9199674A JPS5123284A (en) | 1974-08-13 | 1974-08-13 | Shinkina penishirinruino seizoho |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES454266A1 true ES454266A1 (en) | 1977-12-16 |
Family
ID=14042029
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES454266A Expired ES454266A1 (en) | 1974-08-13 | 1976-12-15 | Shinkina penishirinruino seizoho |
| ES454267A Expired ES454267A1 (en) | 1974-08-13 | 1976-12-15 | Shinkina penishirinruino seizoho |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES454267A Expired ES454267A1 (en) | 1974-08-13 | 1976-12-15 | Shinkina penishirinruino seizoho |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5123284A (en) |
| ES (2) | ES454266A1 (en) |
| HK (2) | HK26379A (en) |
| HU (2) | HU171966B (en) |
| KE (2) | KE2924A (en) |
| MY (2) | MY7900193A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5334793A (en) * | 1976-08-10 | 1978-03-31 | Toyama Chem Co Ltd | Novel penicillin oxides and cephalosporin oxides |
| JPS5331688A (en) * | 1976-09-01 | 1978-03-25 | Toyama Chem Co Ltd | Novel process for preparation of penicilline sna cephalosporins |
| JPS5640111A (en) * | 1979-09-11 | 1981-04-16 | Naigai Shisetsu Kogyo Kk | Show case for breads |
| KR890003624B1 (en) * | 1987-05-26 | 1989-09-28 | 강승안 | Process for preparing piperacillin pivaloyloxymethyl ester |
| JP2007246514A (en) * | 2006-02-14 | 2007-09-27 | Toyama Chem Co Ltd | Novel crystal of piperacillin sodium |
| US20100063273A1 (en) | 2007-01-31 | 2010-03-11 | Toyama Chemical Co., Ltd | Novel crystal of piperacillin sodium |
-
1974
- 1974-08-13 JP JP9199674A patent/JPS5123284A/en active Granted
-
1975
- 1975-05-08 HU HU75TO00001042A patent/HU171966B/en unknown
- 1975-05-08 HU HU75TO00001041A patent/HU172101B/en unknown
-
1976
- 1976-12-15 ES ES454266A patent/ES454266A1/en not_active Expired
- 1976-12-15 ES ES454267A patent/ES454267A1/en not_active Expired
-
1979
- 1979-03-01 KE KE292479A patent/KE2924A/en unknown
- 1979-03-01 KE KE292579A patent/KE2925A/en unknown
- 1979-04-26 HK HK26379A patent/HK26379A/en unknown
- 1979-11-22 HK HK80079A patent/HK80079A/en unknown
- 1979-12-30 MY MY7900193A patent/MY7900193A/en unknown
- 1979-12-30 MY MY7900192A patent/MY7900192A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HU172101B (en) | 1978-05-28 |
| MY7900192A (en) | 1979-12-31 |
| KE2924A (en) | 1979-04-06 |
| ES454267A1 (en) | 1977-12-16 |
| HK80079A (en) | 1979-11-30 |
| HK26379A (en) | 1979-05-04 |
| JPS5123284A (en) | 1976-02-24 |
| KE2925A (en) | 1979-04-06 |
| JPS5320996B2 (en) | 1978-06-29 |
| MY7900193A (en) | 1979-12-31 |
| HU171966B (en) | 1978-04-28 |
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