Discovery of novel benzosultam CRBN ligands

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Main Authors: Hoyeong Park, Santosh Shivanand Raikar, Yonghyo Kim, Chong Hak Chae, Yong‐Hee Cho, Pilho Kim
Format: Artículo Open Access
Published: Wiley 2025
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author Hoyeong Park
Santosh Shivanand Raikar
Yonghyo Kim
Chong Hak Chae
Yong‐Hee Cho
Pilho Kim
author_facet Hoyeong Park
Santosh Shivanand Raikar
Yonghyo Kim
Chong Hak Chae
Yong‐Hee Cho
Pilho Kim
Hoyeong Park
Santosh Shivanand Raikar
Yonghyo Kim
Chong Hak Chae
Yong‐Hee Cho
Pilho Kim
collection Wiley Open Access
contents Discovery of novel benzosultam CRBN ligands Hoyeong Park Santosh Shivanand Raikar Yonghyo Kim Chong Hak Chae Yong‐Hee Cho Pilho Kim Bulletin of the Korean Chemical Society Abstract Targeted protein degradation (TPD) is a relatively novel drug discovery strategy that could help break through the limitations of traditional small molecule inhibitors. While TPD mostly utilizes diverse E3 ligases to incorporate the ubiquitin‐proteasome system (UPS), cereblon (CRBN) could be considered one of the most successfully adopted E3 ligases. Thus, expanding the scope of CRBN ligands has received tremendous attention to overcome related issues, such as selectivity and druggability. In this study, design and synthesis of novel benzosultam‐based CRBN ligands have been explored by replacement of lactam in lenalidomide with sultam. The sultam‐based ligands showed CRBN binding affinities 2‐20 times stronger than lenalidomide, presumably from additional hydrogen bonds generated from the extra oxygen atom in the sultam group, as supported by docking studies. This research highlights the potential of novel benzosultam CRBN ligands as a new tool for CRBN‐mediated TPD strategies. 10.1002/bkcs.12921 http://creativecommons.org/licenses/by/4.0/
doi_str_mv 10.1002/bkcs.12921
format Artículo Open Access
id wiley_oa_10_1002_bkcs_12921
institution Wiley Open Access
license_str_mv http://creativecommons.org/licenses/by/4.0/
publishDate 2025
publisher Wiley
record_format wiley_oa
spellingShingle Discovery of novel benzosultam CRBN ligands
Hoyeong Park
Santosh Shivanand Raikar
Yonghyo Kim
Chong Hak Chae
Yong‐Hee Cho
Pilho Kim
Bulletin of the Korean Chemical Society
Discovery of novel benzosultam CRBN ligands Hoyeong Park Santosh Shivanand Raikar Yonghyo Kim Chong Hak Chae Yong‐Hee Cho Pilho Kim Bulletin of the Korean Chemical Society Abstract Targeted protein degradation (TPD) is a relatively novel drug discovery strategy that could help break through the limitations of traditional small molecule inhibitors. While TPD mostly utilizes diverse E3 ligases to incorporate the ubiquitin‐proteasome system (UPS), cereblon (CRBN) could be considered one of the most successfully adopted E3 ligases. Thus, expanding the scope of CRBN ligands has received tremendous attention to overcome related issues, such as selectivity and druggability. In this study, design and synthesis of novel benzosultam‐based CRBN ligands have been explored by replacement of lactam in lenalidomide with sultam. The sultam‐based ligands showed CRBN binding affinities 2‐20 times stronger than lenalidomide, presumably from additional hydrogen bonds generated from the extra oxygen atom in the sultam group, as supported by docking studies. This research highlights the potential of novel benzosultam CRBN ligands as a new tool for CRBN‐mediated TPD strategies. 10.1002/bkcs.12921 http://creativecommons.org/licenses/by/4.0/
title Discovery of novel benzosultam CRBN ligands
topic Bulletin of the Korean Chemical Society
url https://onlinelibrary.wiley.com/doi/10.1002/bkcs.12921