Selective Aryne Formation via Grob Fragmentation from the [2+2] Cycloadducts of 3‑Triflyloxyarynes
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https://figshare.com/articles/dataset/Selective_Aryne_Formation_via_Grob_Fragmentation_from_the_2_2_Cycloadducts_of_3_Triflyloxyarynes/4535852
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A chemoselective ring-opening protocol of the formal [2+2] cycloadducts of 3-triflyloxyarynes was developed to generate 2,3-aryne intermediate via Grob fragmentation. A variety of 1,3-di- and 1,2,3-trisubstituted arenes could be readily accessed through this [2+2] cycloaddition-2,3-aryne formation sequence. The regioselectivity in these transformations originates from the steric repulsion of the aliphatic chain.
创建时间：
2017-01-10
