Extract from the Register of European Patents

EP About this file: EP3898618

EP3898618 - PROCESS AND INTERMEDIATES FOR THE PREPARATION OF VOXELOTOR [Right-click to bookmark this link]
StatusExamination is in progress
Status updated on  11.03.2026
Database last updated on 30.03.2026
FormerGrant of patent is intended
Status updated on  11.11.2025
FormerExamination is in progress
Status updated on  17.10.2025
FormerGrant of patent is intended
Status updated on  16.06.2025
FormerExamination is in progress
Status updated on  03.03.2023
FormerRequest for examination was made
Status updated on  24.09.2021
FormerThe international publication has been made
Status updated on  02.07.2020
Formerunknown
Status updated on  11.01.2020
Most recent event   Tooltip11.03.2026Deletion - Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO 
Applicant(s)For all designated states
CURIA SPAIN, S.A.U.
Parque Tecnológico de Boecillo, parcela 105A
47151 Boecillo, Valladolid / ES
[2023/14]
Former [2021/43]For all designated states
Crystal Pharma, S.A.U.
Parque Tecnológico de Boecillo, parcela 105A
47151 Boecillo - Valladolid / ES
Inventor(s)01 / FERREIRO GIL, Juan José
Crystal Pharma, S.A.U.
Parque Tecnológico de Boecillo, parcela 105A
47151 Boecillo, Valladolid / ES
02 / IGLESIAS RETUERTO, Jesús Miguel
Crystal Pharma, S.A.U.
Parque Tecnológico de Boecillo, parcela 105A
47151 Boecillo, Valladolid / ES
03 / LORENTE BONDE-LARSEN, Antonio
Crystal Pharma, S.A.U.
Parque Tecnológico de Boecillo, parcela 105A
47151 Boecillo, Valladolid / ES
 [2021/43]
Representative(s)ABG Intellectual Property Law, S.L.
Avenida de Burgos, 16D
Edificio Euromor
28036 Madrid / ES
[2021/43]
Application number, filing date19829590.920.12.2019
[2021/43]
WO2019EP86606
Priority number, dateEP2018038298621.12.2018         Original published format: EP 18382986
[2021/43]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020127924
Date:25.06.2020
Language:EN
[2020/26]
Type: A1 Application with search report 
No.:EP3898618
Date:27.10.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 25.06.2020 takes the place of the publication of the European patent application.
[2021/43]
Search report(s)International search report - published on:EP25.06.2020
ClassificationIPC:C07D405/14, C07C259/10, C07D319/08, C07D401/04, C07D405/12, C07D213/61
[2021/43]
CPC:
C07D401/04 (EP,US); C07C259/10 (EP); C07D213/61 (EP);
C07D319/08 (EP); C07D405/12 (EP); C07D405/14 (EP)
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 [2021/43]
TitleGerman:VERFAHREN UND ZWISCHENPRODUKTE ZUR HERSTELLUNG VON VOXELOTOR[2025/24]
English:PROCESS AND INTERMEDIATES FOR THE PREPARATION OF VOXELOTOR[2021/43]
French:PROCÉDÉ ET INTERMÉDIAIRES POUR LA PRÉPARATION DE VOXELOTOR[2025/24]
Former [2021/43]VERFAHREN UND ZWISCHENPRODUKTE ZUR HERSTELLUNG VON VOXELTREIBERN
Former [2021/43]PROCÉDÉ ET INTERMÉDIAIRES POUR LA PRÉPARATION DE VOXÉLOTOR
Entry into regional phase20.07.2021National basic fee paid 
20.07.2021Designation fee(s) paid 
20.07.2021Examination fee paid 
Examination proceduredeletedCommunication of intention to grant the patent
20.07.2021Examination requested  [2021/43]
20.07.2021Date on which the examining division has become responsible
11.02.2022Amendment by applicant (claims and/or description)
06.03.2023Despatch of a communication from the examining division (Time limit: M04)
05.07.2023Reply to a communication from the examining division
31.10.2023Despatch of a communication from the examining division (Time limit: M04)
29.02.2024Reply to a communication from the examining division
17.06.2025Communication of intention to grant the patent
16.10.2025Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
11.11.2025Communication of intention to grant the patent
10.03.2026Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
Fees paidRenewal fee
23.12.2021Renewal fee patent year 03
26.12.2022Renewal fee patent year 04
26.12.2023Renewal fee patent year 05
25.12.2024Renewal fee patent year 06
23.12.2025Renewal fee patent year 07
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Cited inInternational search[A] WO2007067615  (NOVARTIS AG et al.)
 [X] WO2017218960  (FRONTHERA U S PHARMACEUTICALS LLC et al.)
 [IDY] WO2017197083  (GLOBAL BLOOD THERAPEUTICS INC et al.)
 [AD] WO2015031285  (GLOBAL BLOOD THERAPEUTICS INC et al.)
 [AD] WO2013102142  (GLOBAL BLOOD THERAPEUTICS INC et al.)
 [A] EP1911738  (TAKEDA PHARMACEUTICAL et al.)
 [A] US2015209443  (METCALF BRIAN W et al.)
 [A]   M. A. JALIL MIAH ET AL: "Directed ortho -Metalation of Aryl Amides, O- Carbamates, and Methoxymethoxy Systems: Directed Metalation Group Competition and Cooperation", EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, vol. 2018, no. 4, 5 December 2017 (2017-12-05), DE, pages 447 - 454, XP055558699, ISSN: 1434-193X, DOI: 10.1002/ejoc.201701143

DOI:   http://dx.doi.org/10.1002/ejoc.201701143
 [A]   JASON C. RIGGS ET AL: "Anionic Snieckus-Fries Rearrangement: Solvent Effects and Role of Mixed Aggregates", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 130, no. 41, 15 October 2008 (2008-10-15), pages 13709 - 13717, XP055558780, ISSN: 0002-7863, DOI: 10.1021/ja804087r

DOI:   http://dx.doi.org/10.1021/ja804087r
 [A]   DATABASE REGISTRY [online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; 4 May 2015 (2015-05-04), XP002789123, Database accession no. 1697989-05-1
 [IY]   BRIAN METCALF ET AL: "Discovery of GBT440, an Orally Bioavailable R-State Stabilizer of Sickle Cell Hemoglobin", ACS MEDICINAL CHEMISTRY LETTERS, vol. 8, no. 3, 11 February 2017 (2017-02-11), pages 321 - 326, XP055553115, ISSN: 1948-5875, DOI: 10.1021/acsmedchemlett.6b00491

DOI:   http://dx.doi.org/10.1021/acsmedchemlett.6b00491
 [A]   JARED T. SPLETSTOSER ET AL: "Mild and Selective Hydrozirconation of Amides to Aldehydes Using Cp2Zr(H)Cl: Scope and Mechanistic Insight", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 129, no. 11, 22 February 2007 (2007-02-22), pages 3408 - 3419, XP055559174, DOI: 10.1021/ja066362

DOI:   http://dx.doi.org/10.1021/ja066362
 [A]   DATABASE REGISTRY [online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; 8 November 2016 (2016-11-08), XP002789124, Database accession no. 2027389-58-6 [A] 15 * page 13712; compounds 5a, 5b *
by applicantWO2013102142
 WO2014150276
 WO2015031285
 WO2017197083
 US2015209443
   ACS MEDICINAL CHEMISTRY LETTERS, vol. 8, no. 3, 2017, pages 321 - 326
   ORGANIC LETTERS, vol. 2, no. 23, 2000, pages 3731 - 3734
   ORGANIC PROCESS RESEARCH AND DEVELOPMENT, vol. 20, no. 2, 2016, pages 233 - 241
   GREEN TW ET AL.: "Protective Groups in Organic Synthesis", 1999, JOHN WILEY & SONS
   SYNTHETIC COMMUNICATIONS, vol. 24, no. 7, 1994, pages 1025 - 1028
   ACS MED. CHEM. LETT., vol. 8, no. 3, 2017, pages 321 - 326
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.