期刊
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
卷 -, 期 -, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.202300915
关键词
antitumor activity; Aza-Diels-Alder mechanism; fused multicyclic iminosugars; one-pot stereoselective synthesis; tetrahydroquinolines
An efficient one-pot synthesis of structurally diverse tetrahydroquinoline-fused iminosugars through the aza-Diels-Alder mechanism has been developed. The method is adaptable for various imines and d/l-ribose tosylates, with both electron-donating and -withdrawing substituted imines showing good reaction efficiency.
An efficient and simple one-pot synthesis of structurally diverse novel tetrahydroquinoline-fused iminosugars was developed through the aza-Diels-Alder mechanism. The adaptability of this method has been demonstrated by a variety of imines and d/l-ribose tosylates, and both, electron-donating and -withdrawing substituted imines proceed well. In addition, this reaction is characterized by simple operation, good yield, and high atom economy. Some synthetic iminosugars showed moderate anti proliferation of HCT116 tumor cells. Under the catalysis of Yb(OTf)3, the cyclization of iminium-ion intermediates and imines was promoted through the aza-Diels-Alder mechanism, providing a simple reaction for the synthesis of tetrahydroquinoline-iminosugars derivatives with good stereoselectivity. The absolute structures of compounds 1 a and 5 a were confirmed by single crystal X-ray diffraction and 2D NMR.image
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