Apical Functionalization of Chiral Heterohelicenes
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https://figshare.com/articles/dataset/Apical_Functionalization_of_Chiral_Heterohelicenes/2549308
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资源简介：
We describe a synthetic protocol to selectively functionalize
chiral
bridged triarylamines at the apical position using regioselective
copper-catalyzed amination reaction. This protocol allows the coupling
of diphenylamines with a sterically hindered but electronically activated
aryl–Br bond in the presence of a sterically unhindered but
electronically unactivated aryl–Br bond. The unactivated aryl–Br
bond was utilized further to synthesize a chiral heterohelicene homodimer
using Stille coupling.
创建时间：
2012-02-17
