Electrophilic fluorine-mediated dearomative spirocyclization has been developed to synthesize a range of fluoro-substituted spiro-isoxazoline ethers and lactones. The in vitro biological assays of synthesized compounds were probed for anti-viral activity against human cytomegalovirus (HCMV) and cytotoxicity against glioblastomas (GBM6) and triple negative breast cancer (MDA MB 231). Interestingly,
亲电
氟介导的脱芳香螺环化已被开发用于合成一系列
氟取代的螺
异恶唑啉醚和内酯。对合成化合物进行体外
生物学测定,探讨其对人巨细胞病毒 (HCMV) 的抗病毒活性以及对胶质母细胞瘤 (GBM6) 和三阴性乳腺癌 (
MDA MB 231) 的细胞毒性。有趣的是,化合物4d和4n显示出显着的抗HCMV活性(IC 50 ∼ 10 μM),而4l和5f显示出最高的细胞毒性,IC 50 = 36 〜 80 μM。合成功效和
生物学相关性为进一步开发
氟螺螺
异恶唑啉作为新型抗病毒和抗癌药物提供了机会。