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- W2023498340 abstract "Cu-mediated fluoroalkylation reactions with iododifluoroacetamides 1 have been systematically investigated. It was found that three types of reactions may coexist in Cu-mediated reactions between iododifluoroacetamides and aryl/alkenyl iodides: cross-coupling, intramolecular cyclization, and homocoupling reactions. The selectivity among these three types of reactions could be controlled by tuning the substituents on the nitrogen atom of iododifluoroacetamides, and/or by removing the cross-coupling reaction partner (aryl/alkenyl halides). The general rule is as follows: (a) in the presence of proper aryl/alkenyl iodides, the cross-coupling products 2 (or 6) are generally formed as the major products; (b) in the absence of aryl/alkenyl iodides, and when R1 = alkyl and R2 = aryl groups, or when R1 = R2 = aryl groups, the intramolecular cyclization products 3 can be formed predominantly; and (c) in the absence of aryl/alkenyl iodides, and when R1 = R2 = alkyl groups, or when R1 = H and R2 = alkyl, aryl groups, the homocoupling products 4 can be formed dominantly. Our experimental results also indicate that in many cases when cross-coupling, homocoupling, and intramolecular cyclization reactions coexist in the Cu-mediated reaction system, the reactivity decreases in the following order: cross-coupling > intramolecular cyclization > homocoupling." @default.
- W2023498340 created "2016-06-24" @default.
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- W2023498340 creator A5076699095 @default.
- W2023498340 date "2010-07-21" @default.
- W2023498340 modified "2023-10-07" @default.
- W2023498340 title "Copper-Mediated Fluoroalkylation Reactions with Iododifluoroacetamides: Controlling the Selectivity among Cross-Coupling, Intramolecular Cyclization, and Homocoupling Reactions" @default.
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- W2023498340 doi "https://doi.org/10.1021/jo1005262" @default.
- W2023498340 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/20704426" @default.
- W2023498340 hasPublicationYear "2010" @default.
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