Iodine-mediated electrophilic cyclization of 2-alkynylbenzaldoximes leading to the formation of iodoisoquinoline N-oxides |
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| Authors: | Zhibao Huo |
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| Institution: | Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan |
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| Abstract: | Reaction of 2-alkynylbenzaldoximes 1 with 5 equiv of iodine in EtOH at room temperature gives the corresponding iodoisoquinoline N-oxides 2 in good to excellent yields. The cyclization proceeds very smoothly and quickly without any additives such as bases under very mild reaction conditions. |
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| Keywords: | Electrophilic cyclization Iodonium ion Iodine Isoquinoline N-oxide 2-Alkynylbenzaldoxime Isoquinoline |
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