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EP1274693
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EP About this file: EP1274693
| EP1274693 - METHOD FOR PRODUCING 2,5-DIKETOPIPERAZINES, 2,5-DIKETOPIPERAZINES, DIPEPTIDES AND THE USE THEREOF [Right-click to bookmark this link] | Status | The application has been withdrawn Status updated on 14.05.2010 Database last updated on 03.09.2024 | Most recent event Tooltip | 14.05.2010 | Withdrawal of application | published on 16.06.2010 [2010/24] | Applicant(s) | For all designated states Evonik Degussa GmbH Rellinghauser Straße 1-11 45128 Essen / DE | [N/P] |
| Former [2008/32] | For all designated states Evonik Degussa GmbH Rellinghauser Strasse 1-11 45128 Essen / DE | ||
| Former [2007/45] | For all designated states Evonik Degussa GmbH Bennigsenplatz 1 40474 Düsseldorf / DE | ||
| Former [2007/08] | For all designated states Degussa GmbH Bennigsenplatz 1 40474 Düsseldorf / DE | ||
| Former [2003/03] | For all designated states Degussa AG Bennigsenplatz 1 40474 Düsseldorf / DE | Inventor(s) | 01 /
DRAUZ, Karlheinz Zur Marienruhe 13 63579 Freigericht / DE | 02 /
KNAUP, Günter Friedhofstrasse 8 63486 Bruchköbel / DE | [2003/03] | Application number, filing date | 01927786.2 | 23.03.2001 | [2003/03] | WO2001EP03322 | Priority number, date | DE20001019879 | 20.04.2000 Original published format: DE 10019879 | [2003/03] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | WO0181321 | Date: | 01.11.2001 | Language: | DE | [2001/44] | Type: | A1 Application with search report | No.: | EP1274693 | Date: | 15.01.2003 | Language: | DE | The application published by WIPO in one of the EPO official languages on 01.11.2001 takes the place of the publication of the European patent application. | [2003/03] | Search report(s) | International search report - published on: | EP | 01.11.2001 | Classification | IPC: | C07D241/08, C07K5/12, C07K5/06 | [2003/03] | CPC: |
C07D241/08 (EP,US);
C07K5/06086 (EP,US);
C07K5/06191 (EP,US);
C07K5/12 (EP,US)
| Designated contracting states | AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE, TR [2003/03] | Title | German: | VERFAHREN ZUR HERSTELLUNG VON 2,5-DIKETOPIPERAZINEN, 2,5-DIKETOPIPERAZINE, DIPEPTIDE UND DEREN VERWENDUNG | [2003/03] | English: | METHOD FOR PRODUCING 2,5-DIKETOPIPERAZINES, 2,5-DIKETOPIPERAZINES, DIPEPTIDES AND THE USE THEREOF | [2003/03] | French: | PROCEDE DE PREPARATION DE 2,3-DICETOPIPERAZINES, 2,5-DICETOPIPERAZINES, DIPEPTIDES ET LEUR UTILISATION | [2003/03] | Entry into regional phase | 09.10.2002 | National basic fee paid | 09.10.2002 | Designation fee(s) paid | 09.10.2002 | Examination fee paid | Examination procedure | 06.10.2001 | Request for preliminary examination filed International Preliminary Examining Authority: EP | 09.10.2002 | Examination requested [2003/03] | 28.04.2006 | Despatch of a communication from the examining division (Time limit: M04) | 01.06.2006 | Reply to a communication from the examining division | 18.07.2008 | Despatch of a communication from the examining division (Time limit: M04) | 20.11.2008 | Reply to a communication from the examining division | 05.05.2010 | Application withdrawn by applicant [2010/24] | Fees paid | Renewal fee | 26.02.2003 | Renewal fee patent year 03 | 27.02.2004 | Renewal fee patent year 04 | 08.03.2005 | Renewal fee patent year 05 | 15.03.2006 | Renewal fee patent year 06 | 14.03.2007 | Renewal fee patent year 07 | 13.03.2008 | Renewal fee patent year 08 | 13.03.2009 | Renewal fee patent year 09 | 26.03.2010 | Renewal fee patent year 10 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Cited in | International search | [A]EP0365992 (ABBOTT LAB [US]) [A] 1 * page 46, line 29 * * und Seite 49, Schema 2 *; | [A]WO9114378 (NUTRASWEET CO [US]) [A] 1 * page 5, lines 4-6 * * page 10, lines 4-16; example 3 *; | [A]US5503852 (STEINER SOLOMON S [US], et al) [A] 7* example 1 *; | [XA] - I.J. FRIGERIO ET AL., "Ring Current Shielding and Molecular Motions in Piperazine-2,5-diones", AUST.J.CHEM., (1982), vol. 35, no. 8, pages 1609 - 1614, XP001013047 [X] 1,2,4,5 * page 1613, paragraph 4 * * page 1613, paragraph 4 * [A] 3,6-11 | [XA] - C.A. LOVELETTE ET AL., "A convenient Synthesis of 1-Substituted 2,5(4H)-Piperazinediones", J.HETEROCYCL.CHEM., (1986), vol. 23, pages 229-229 - 231, XP001008649 [X] 1,2,4,5 * page 230, paragraph 3 * * page 231; example 4A * * page 231; example 4A * [A] 3,6-11 DOI: http://dx.doi.org/10.1002/jhet.5570230147 | [A] - S. KLUTCHKO ET AL., "Synthesis of Novel Angiotensin Converting Enzyme Inhibitor Quinapril and Related Compounds", J.MED.CHEM., (1986), vol. 29, no. 10, pages 1953 - 1961, XP001008772 [A] 1 * Seite 1956: Herstellung von (37) und (39) unter Schema II; und Seite 1960, Methode H * DOI: http://dx.doi.org/10.1021/jm00160a026 | [A] - D.E. NITECKI ET AL., "A Simple Route to Sterically Pure Diketopiperazines", J.ORG.CHEM., (1968), vol. 33, no. 2, pages 864 - 866, XP001008667 [A] 1 * page 864, column 1 * * Preparation of 2,5-Diketopiperazines:; page 864, column 2 * DOI: http://dx.doi.org/10.1021/jo01266a091 | [A] - S. STEINBERG, "Diketopiperazine Formation During Investigations of Amino Acid Racemisation in Dipeptides", SCIENCE, (1981), vol. 213, pages 544 - 545, XP001013307 [A] 5 * column W * DOI: http://dx.doi.org/10.1126/science.213.4507.544 | [A] - E. ABDERHALDEN ET AL, "Über die Entstehung von Diketopiperazinen aus Polypeptiden unter verschiedenen Bedingungen", HOPPE-SEYLER'S Z.PHYSIOL.CHEM., (1924), vol. 139, pages 152 - 161, XP001008646 [A] 6 * Variante e):; page 166 - page 167 * |