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. 2023 Dec 18;2(1):28–39. doi: 10.1021/prechem.3c00097

Figure 1.

Figure 1

(a) BN-doped [6]helicenes with boron atoms in the outer rims; (b) NBN-doped helicenes based on aza[7]helicene with boron atoms connected to the outer rims; (c, d) NBN-doped helicenes with boron atoms in the inner rims in this work via one-pot borylation with a fold-in or pan-out manner.