Ir-Catalyzed Cycloaddition of Tribenzocyclyne with Biphenylenes
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https://figshare.com/articles/dataset/Ir-Catalyzed_Cycloaddition_of_Tribenzocyclyne_with_Biphenylenes/16635615
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资源简介：
We
demonstrate that Ir-catalyzed C–C bond activation in
biphenylenes followed by a reaction with tribenzocyclyne is a suitable
method for synthesizing strained and unknown monoadducts with the
tetradehydrotetrabenzo[a,c,e,i]cyclododecene scaffold ([12]annulenes).
Modification of reaction conditions also furnished [12]annulene products
with cis and/or trans double bonds
formed by hydrogen transfer. The [9]annulene side product was formed
upon the reaction of the benzyl radical with tribenzocyclyne during
the Bergman cyclization. All isolated compounds were fully characterized
by HRMS, NMR, and X-ray diffraction analysis.
创建时间：
2021-09-17
