Regiospecific Ficini [2 + 2] Cycloaddition of Ynamides with Cyclic Isoimidium Salts under Catalyst-Free Conditions
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https://figshare.com/articles/dataset/Regiospecific_Ficini_2_2_Cycloaddition_of_Ynamides_with_Cyclic_Isoimidium_Salts_under_Catalyst_Free_Conditions/2264416
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资源简介：
The
regiospecific [2 + 2] cycloaddition of cyclic isoimidium salts
with ynamides is described. This effort led to the development of
the first successful example of a catalyst-free, thermally driven
Ficini [2 + 2] cycloaddition process of ynamides with α,β-unsaturated
carbonyl compounds, giving the stable cyclobutenamides in excellent
yields (up to 99%).
创建时间：
2016-02-17
