Fully Substituted Cyclobutenes via [2 + 2] Cycloaddition of Ynimines with Cinnamamides
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Cyclobutenes are found in natural products and medicinal chemistry and can be readily functionalized. Herein is presented a straightforward, transition-metal-free [2 + 2] cycloaddition reaction of readily available ynimines with N,N-dimethyl cinnamamides to ac... ...
