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Extract from the Register of European Patents

EP About this file: EP4284791

EP4284791 - PROCESS FOR PRODUCTION OF INTERMEDIATES [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  03.11.2023
Database last updated on 28.09.2024
FormerThe international publication has been made
Status updated on  05.08.2022
Formerunknown
Status updated on  08.02.2022
Most recent event   Tooltip30.08.2024Change - applicantpublished on 02.10.2024 [2024/40]
Applicant(s)For all designated states
DSM IP Assets B.V.
Wilhelminasingel 39
6221 BE Maastricht / NL
[2024/40]
Former [2023/49]For all designated states
DSM IP Assets B.V.
Het Overloon 1
6411 TE Heerlen / NL
Inventor(s)01 / BONRATH, Werner
4303 Kaiseraugst / CH
02 / MEDLOCK, Jonathan, Alan
4303 Kaiseraugst / CH
03 / MUELLER, Marc-André
4303 Kaiseraugst / CH
04 / WUESTENBERG, Bettina
4303 Kaiseraugst / CH
 [2023/49]
Representative(s)dsm-firmenich IP
Wurmisweg 576
4303 Kaiseraugst / CH
[N/P]
Former [2023/49]Kurt, Manfred
DSM NUTRITIONAL PRODUCTS LTD.
Patent Department
Wurmisweg 576
4303 Kaiseraugst / CH
Application number, filing date22701343.014.01.2022
[2023/49]
WO2022EP50708
Priority number, dateEP2021015460501.02.2021         Original published format: EP 21154605
[2023/49]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022161789
Date:04.08.2022
Language:EN
[2022/31]
Type: A1 Application with search report 
No.:EP4284791
Date:06.12.2023
Language:EN
The application published by WIPO in one of the EPO official languages on 04.08.2022 takes the place of the publication of the European patent application.
[2023/49]
Search report(s)International search report - published on:EP04.08.2022
ClassificationIPC:C07D333/48
[2023/49]
CPC:
C07D333/48 (EP,US)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2023/49]
TitleGerman:VERFAHREN ZUR HERSTELLUNG VON ZWISCHENPRODUKTEN[2023/49]
English:PROCESS FOR PRODUCTION OF INTERMEDIATES[2023/49]
French:PROCÉDÉ DE PRODUCTION D'INTERMÉDIAIRES[2023/49]
Entry into regional phase30.06.2023National basic fee paid 
30.06.2023Designation fee(s) paid 
30.06.2023Examination fee paid 
Examination procedure30.06.2023Examination requested  [2023/49]
30.06.2023Date on which the examining division has become responsible
04.03.2024Amendment by applicant (claims and/or description)
Fees paidRenewal fee
14.12.2023Renewal fee patent year 03
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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 inInternational search[I]  - FRANK KIENZLE ET AL, "Selektive Funktionalisierung von Polyenen", HELVETICA CHIMICA ACTA, (19750101), vol. 58, no. 1, doi:10.1002/hlca.19750580105, ISSN 0018-019X, pages 27 - 40, XP055702824 [I] 1-12 * page 36; compounds 21-23 *

DOI:   http://dx.doi.org/10.1002/hlca.19750580105
 [XI]  - "1,4-Cycloaddition Reactions - The Diels-Alder Reaction in Heterocyclic Syntheses", vol. 8, doi:10.1016/B978-0-12-395743-6.50007-7, ISSN 0078-611X, ISBN 978-0-12-395743-6, (19670101), pages 13 - 45, Elsevier, URL: http://dx.doi.org/10.1016/B978-0-12-395743-6.50007-7, XP055804354 [X] 1-3,6-8 * table 1 * [I] 4,5,9-12

DOI:   http://dx.doi.org/10.1016/B978-0-12-395743-6.50007-7
 [XI]  - KOTHA SAMBASIVARAO ET AL, "Diversity Oriented Approach to Phenylalanine Derivatives via the Diels-Alder Reaction Involving Sulfolene Intermediates", JP, vol. 90, no. 1, doi:10.3987/COM-14-S(K)9, ISSN 0385-5414, (20150101), page 226, HETEROCYCLES, URL: http://dx.doi.org/10.3987/COM-14-S(K)9, XP055804379 [X] 1-3,6,7,10 * scheme 3;; compounds 8, 9 * [I] 4,5,8,9,11,12

DOI:   http://dx.doi.org/10.3987/COM-14-S(K)9
 [I]  - ROTH WOLFGANG R. ET AL, "Zur Energiedelle von Diradikalen, IV[1]. 2-Methylen-1,4-cyclohexadiyl", DE, vol. 126, no. 12, doi:10.1002/cber.19931261221, ISSN 0009-2940, (19931201), pages 2701 - 2715, CHEMISCHE BERICHTE, URL: http://dx.doi.org/10.1002/cber.19931261221, XP055804403 [I] 1-12 * scheme on page 2702, right-hand column and excperimental part on page 2714;; compounds 15, 16 *

DOI:   http://dx.doi.org/10.1002/cber.19931261221
 [X]  - T. SUBRAMANIAN ET AL, "Convenient Synthesis of 1,3,6-Triene Systems Through Alkylation of 3-Methyl-3-sulfolene.", SYNTHETIC COMMUNICATIONS, US, (19971222), vol. 27, no. 23, doi:10.1080/00397919708005452, ISSN 0039-7911, pages 4067 - 4072, XP055725874 [X] 12 * example 8 *

DOI:   http://dx.doi.org/10.1080/00397919708005452
 [A]  - DESAI SHAILESH R ET AL, "Studies in alkylation of 3-methyl-3-sulfolene and thermolysis of resulting 2-alkyl-3-sulfolenes: Convenient synthesis of 1,2-disubstituted-1,3-dienes", TETRAHEDRON, AMSTERDAM, NL, (19920101), vol. 48, no. 3, doi:10.1016/S0040-4020(01)89010-4, ISSN 0040-4020, pages 481 - 490, XP055804845 [A] 1-12 * compound 3e *

DOI:   http://dx.doi.org/10.1016/S0040-4020(01)89010-4
 [A]  - Chou Ta-Shue ET AL, "Stereoselective One-step Syntheses of trans-P-Ocimene and a-Farnesene", J . CHEM. SOC., CHEM. COMMUN, (19840101), URL: https://pubs.rsc.org/en/content/articlepdf/1984/c3/c39840001323, (20210517), XP055804857 [A] 1-12 * compound 8c *
 [A]  - CHAPUIS CHRISTIAN ET AL, "A Concise Synthesis of rac - Ambrox via the Palladium(0)-Catalyzed Carboalkoxylation of an Allylic Ammonium Salt, as Compared to a Formaldehyde Hetero Diels-Alder Approach", HELVETICA CHIMICA ACTA, (20190726), vol. 102, no. 7, doi:10.1002/hlca.201900097, ISSN 0018-019X, XP055805131 [A] 1-12 * compound 27 *

DOI:   http://dx.doi.org/10.1002/hlca.201900097
by applicant   - Z. WU et al., J. Am. Chem. Soc., (20050000), page 17433
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.