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Design and synthesis of unprecedented 9- and 10-membered cyclonucleosides with PRMT5 inhibitory activity
Shuhei Kawamura1, Rachel L Palte2, Hai-Young Kim3
1Discovery Chemistry, Merck & Co., Inc., Boston, MA 02115, United States.
Bioorganic & Medicinal Chemistry
|May 20, 2022
Abstract:
Synthesis of medium-sized rings is known to be challenging due to high transannular strain especially for 9- and 10-membered rings. Herein we report design and synthesis of unprecedented 9- and 10-membered purine 8,5'-cyclonucleosides as the first cyclonucleoside PRMT5 inhibitors. The cocrystal structure of PRMT5:MEP50 in complex with the synthesized 9-membered cyclonucleoside 1 revealed its binding mode in the SAM binding pocket of PRMT5.
Keywords:
CyclonucleosideMedicinal chemistryMolecular modelingNucleosidePRMT5PRMT5 inhibitorX-ray crystallography
