Journal
MEDCHEMCOMM
Volume 4, Issue 2, Pages 347-352Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2md20249b
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Funding
- ANSTO Graduate Development Program
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Thirteen compounds in a new class of fluorinated 5-pyrrolidinylsulfonyl isatin derivatives were synthesised that have potent and selective inhibitory activity against effector caspases-3 and -7. With in vivo animal PET imaging studies of cerebral ischemia being planned, N-benzylation with selected para-substituted benzylic halides allowed systematic variation of lipophilicity (logP 1.94-3.31) without decreasing inhibition potency (IC50). From this series the p-methoxybenzyl analogue was selected for initial 'proof-of-concept' [F-18]-fluoride radiolabelling which proceeded in good yield and purity with no need for a protection/deprotection strategy.
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