HU172101B - Process for preparing new 2,3-dioxo-piperazine derivatives - Google Patents
Process for preparing new 2,3-dioxo-piperazine derivativesInfo
- Publication number
- HU172101B HU172101B HU75TO00001041A HUTO001041A HU172101B HU 172101 B HU172101 B HU 172101B HU 75TO00001041 A HU75TO00001041 A HU 75TO00001041A HU TO001041 A HUTO001041 A HU TO001041A HU 172101 B HU172101 B HU 172101B
- Authority
- HU
- Hungary
- Prior art keywords
- dioxo
- piperazine derivatives
- preparing new
- preparing
- new
- Prior art date
Links
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 |
|---|---|
| HU172101B true HU172101B (en) | 1978-05-28 |
Family
ID=14042029
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HU75TO00001042A HU171966B (en) | 1974-08-13 | 1975-05-08 | Process for producing new amino-acid derivatives |
| HU75TO00001041A HU172101B (en) | 1974-08-13 | 1975-05-08 | Process for preparing new 2,3-dioxo-piperazine derivatives |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HU75TO00001042A HU171966B (en) | 1974-08-13 | 1975-05-08 | Process for producing new amino-acid derivatives |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5123284A (en) |
| ES (2) | ES454266A1 (en) |
| HK (2) | HK26379A (en) |
| HU (2) | HU171966B (en) |
| KE (2) | KE2925A (en) |
| MY (2) | MY7900192A (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 |
| KR20090104855A (en) | 2007-01-31 | 2009-10-06 | 토야마 케미칼 컴퍼니 리미티드 | 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 KE292579A patent/KE2925A/en unknown
- 1979-03-01 KE KE292479A patent/KE2924A/en unknown
- 1979-04-26 HK HK26379A patent/HK26379A/en unknown
- 1979-11-22 HK HK80079A patent/HK80079A/en unknown
- 1979-12-30 MY MY7900192A patent/MY7900192A/en unknown
- 1979-12-30 MY MY7900193A patent/MY7900193A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| MY7900193A (en) | 1979-12-31 |
| JPS5123284A (en) | 1976-02-24 |
| HK26379A (en) | 1979-05-04 |
| JPS5320996B2 (en) | 1978-06-29 |
| ES454267A1 (en) | 1977-12-16 |
| HU171966B (en) | 1978-04-28 |
| HK80079A (en) | 1979-11-30 |
| MY7900192A (en) | 1979-12-31 |
| KE2924A (en) | 1979-04-06 |
| KE2925A (en) | 1979-04-06 |
| ES454266A1 (en) | 1977-12-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| HU90 | Patent valid on 900628 |