Sydnone-Based Approach to Heterohelicenes through 1,3-Dipolar-Cycloadditions
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https://figshare.com/articles/dataset/Sydnone-Based_Approach_to_Heterohelicenes_through_1_3-Dipolar-Cycloadditions/7588844
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资源简介：
The first approach to pyrazole-containing
helicenes via sydnone-aryne
[3 + 2]-cycloaddition is described. An unprecedented regioselectivity
in the cycloaddition step toward the more sterically constrained product
was observed in the presence of extended aromatic scaffolds. DFT calculations
enabled understanding the origin of this unexpected selectivity.
创建时间：
2019-01-15
