Design, Synthesis, and Development of Pyrazolo[1,5-<i>a</i>]pyrimidine Derivatives as a Novel Series of Selective PI3K<i>δ</i> Inhibitors: Part II—Benzimidazole Derivatives

Phosphoinositide 3-kinase (PI3K) is the family of lipid kinases participating in vital cellular processes such as cell proliferation, growth, migration, or cytokines production. Due to the high expression of these proteins in many human cells and their involvement in metabolism regulation, normal em...

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Main Authors: Mariola Stypik, Stanisław Michałek, Nina Orłowska, Marcin Zagozda, Maciej Dziachan, Martyna Banach, Paweł Turowski, Paweł Gunerka, Daria Zdżalik-Bielecka, Aleksandra Stańczak, Urszula Kędzierska, Krzysztof Mulewski, Damian Smuga, Wioleta Maruszak, Lidia Gurba-Bryśkiewicz, Arkadiusz Leniak, Wojciech Pietruś, Zbigniew Ochal, Mateusz Mach, Beata Zygmunt, Jerzy Pieczykolan, Krzysztof Dubiel, Maciej Wieczorek
Format: Article
Language:English
Published: MDPI AG 2022-07-01
Series:Pharmaceuticals
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Online Access:https://www.mdpi.com/1424-8247/15/8/927
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author Mariola Stypik
Stanisław Michałek
Nina Orłowska
Marcin Zagozda
Maciej Dziachan
Martyna Banach
Paweł Turowski
Paweł Gunerka
Daria Zdżalik-Bielecka
Aleksandra Stańczak
Urszula Kędzierska
Krzysztof Mulewski
Damian Smuga
Wioleta Maruszak
Lidia Gurba-Bryśkiewicz
Arkadiusz Leniak
Wojciech Pietruś
Zbigniew Ochal
Mateusz Mach
Beata Zygmunt
Jerzy Pieczykolan
Krzysztof Dubiel
Maciej Wieczorek
author_facet Mariola Stypik
Stanisław Michałek
Nina Orłowska
Marcin Zagozda
Maciej Dziachan
Martyna Banach
Paweł Turowski
Paweł Gunerka
Daria Zdżalik-Bielecka
Aleksandra Stańczak
Urszula Kędzierska
Krzysztof Mulewski
Damian Smuga
Wioleta Maruszak
Lidia Gurba-Bryśkiewicz
Arkadiusz Leniak
Wojciech Pietruś
Zbigniew Ochal
Mateusz Mach
Beata Zygmunt
Jerzy Pieczykolan
Krzysztof Dubiel
Maciej Wieczorek
author_sort Mariola Stypik
collection DOAJ
description Phosphoinositide 3-kinase (PI3K) is the family of lipid kinases participating in vital cellular processes such as cell proliferation, growth, migration, or cytokines production. Due to the high expression of these proteins in many human cells and their involvement in metabolism regulation, normal embryogenesis, or maintaining glucose homeostasis, the inhibition of PI3K (especially the first class which contains four subunits: <i>α</i>, <i>β</i>, <i>γ</i>, <i>δ</i>) is considered to be a promising therapeutic strategy for the treatment of inflammatory and autoimmune diseases such as systemic lupus erythematosus (SLE) or multiple sclerosis. In this work, we synthesized a library of benzimidazole derivatives of pyrazolo[1,5-<i>a</i>]pyrimidine representing a collection of new, potent, active, and selective inhibitors of PI3K<i>δ</i>, displaying IC<sub>50</sub> values ranging from 1.892 to 0.018 μM. Among all compounds obtained, CPL302415 (<b>6</b>) showed the highest activity (IC<sub>50</sub> value of 18 nM for PI3K<i>δ</i>), good selectivity (for PI3K<i>δ</i> relative to other PI3K isoforms: PI3K<i>α</i>/<i>δ</i> = 79; PI3K<i>β</i>/<i>δ</i> = 1415; PI3K<i>γ</i>/<i>δ</i> = 939), and promising physicochemical properties. As a lead compound synthesized on a relatively large scale, this structure is considered a potential future candidate for clinical trials in SLE treatment.
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spelling doaj.art-a571ed7c657c4ae3a404d1e13d1d6daf2023-12-02T00:08:45ZengMDPI AGPharmaceuticals1424-82472022-07-0115892710.3390/ph15080927Design, Synthesis, and Development of Pyrazolo[1,5-<i>a</i>]pyrimidine Derivatives as a Novel Series of Selective PI3K<i>δ</i> Inhibitors: Part II—Benzimidazole DerivativesMariola Stypik0Stanisław Michałek1Nina Orłowska2Marcin Zagozda3Maciej Dziachan4Martyna Banach5Paweł Turowski6Paweł Gunerka7Daria Zdżalik-Bielecka8Aleksandra Stańczak9Urszula Kędzierska10Krzysztof Mulewski11Damian Smuga12Wioleta Maruszak13Lidia Gurba-Bryśkiewicz14Arkadiusz Leniak15Wojciech Pietruś16Zbigniew Ochal17Mateusz Mach18Beata Zygmunt19Jerzy Pieczykolan20Krzysztof Dubiel21Maciej Wieczorek22Celon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandCelon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandCelon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandCelon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandCelon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandCelon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandCelon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandCelon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandCelon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandCelon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandCelon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandCelon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandCelon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandCelon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandCelon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandCelon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandCelon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandFaculty of Chemistry, Warsaw University of Technology, ul. Noakowskiego 3, 00-664 Warsaw, PolandCelon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandCelon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandCelon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandCelon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandCelon Pharma S.A., ul. Marymoncka 15, 05-152 Kazun Nowy, PolandPhosphoinositide 3-kinase (PI3K) is the family of lipid kinases participating in vital cellular processes such as cell proliferation, growth, migration, or cytokines production. Due to the high expression of these proteins in many human cells and their involvement in metabolism regulation, normal embryogenesis, or maintaining glucose homeostasis, the inhibition of PI3K (especially the first class which contains four subunits: <i>α</i>, <i>β</i>, <i>γ</i>, <i>δ</i>) is considered to be a promising therapeutic strategy for the treatment of inflammatory and autoimmune diseases such as systemic lupus erythematosus (SLE) or multiple sclerosis. In this work, we synthesized a library of benzimidazole derivatives of pyrazolo[1,5-<i>a</i>]pyrimidine representing a collection of new, potent, active, and selective inhibitors of PI3K<i>δ</i>, displaying IC<sub>50</sub> values ranging from 1.892 to 0.018 μM. Among all compounds obtained, CPL302415 (<b>6</b>) showed the highest activity (IC<sub>50</sub> value of 18 nM for PI3K<i>δ</i>), good selectivity (for PI3K<i>δ</i> relative to other PI3K isoforms: PI3K<i>α</i>/<i>δ</i> = 79; PI3K<i>β</i>/<i>δ</i> = 1415; PI3K<i>γ</i>/<i>δ</i> = 939), and promising physicochemical properties. As a lead compound synthesized on a relatively large scale, this structure is considered a potential future candidate for clinical trials in SLE treatment.https://www.mdpi.com/1424-8247/15/8/927PI3K<i>δ</i> inhibitorsanti-inflammatory therapy5-benzimidazole-pyrazolo[1,5-<i>a</i>]pyrimidineCPL302415
spellingShingle Mariola Stypik
Stanisław Michałek
Nina Orłowska
Marcin Zagozda
Maciej Dziachan
Martyna Banach
Paweł Turowski
Paweł Gunerka
Daria Zdżalik-Bielecka
Aleksandra Stańczak
Urszula Kędzierska
Krzysztof Mulewski
Damian Smuga
Wioleta Maruszak
Lidia Gurba-Bryśkiewicz
Arkadiusz Leniak
Wojciech Pietruś
Zbigniew Ochal
Mateusz Mach
Beata Zygmunt
Jerzy Pieczykolan
Krzysztof Dubiel
Maciej Wieczorek
Design, Synthesis, and Development of Pyrazolo[1,5-<i>a</i>]pyrimidine Derivatives as a Novel Series of Selective PI3K<i>δ</i> Inhibitors: Part II—Benzimidazole Derivatives
Pharmaceuticals
PI3K<i>δ</i> inhibitors
anti-inflammatory therapy
5-benzimidazole-pyrazolo[1,5-<i>a</i>]pyrimidine
CPL302415
title Design, Synthesis, and Development of Pyrazolo[1,5-<i>a</i>]pyrimidine Derivatives as a Novel Series of Selective PI3K<i>δ</i> Inhibitors: Part II—Benzimidazole Derivatives
title_full Design, Synthesis, and Development of Pyrazolo[1,5-<i>a</i>]pyrimidine Derivatives as a Novel Series of Selective PI3K<i>δ</i> Inhibitors: Part II—Benzimidazole Derivatives
title_fullStr Design, Synthesis, and Development of Pyrazolo[1,5-<i>a</i>]pyrimidine Derivatives as a Novel Series of Selective PI3K<i>δ</i> Inhibitors: Part II—Benzimidazole Derivatives
title_full_unstemmed Design, Synthesis, and Development of Pyrazolo[1,5-<i>a</i>]pyrimidine Derivatives as a Novel Series of Selective PI3K<i>δ</i> Inhibitors: Part II—Benzimidazole Derivatives
title_short Design, Synthesis, and Development of Pyrazolo[1,5-<i>a</i>]pyrimidine Derivatives as a Novel Series of Selective PI3K<i>δ</i> Inhibitors: Part II—Benzimidazole Derivatives
title_sort design synthesis and development of pyrazolo 1 5 i a i pyrimidine derivatives as a novel series of selective pi3k i δ i inhibitors part ii benzimidazole derivatives
topic PI3K<i>δ</i> inhibitors
anti-inflammatory therapy
5-benzimidazole-pyrazolo[1,5-<i>a</i>]pyrimidine
CPL302415
url https://www.mdpi.com/1424-8247/15/8/927
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