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Cycloaddition of benzyne to the perylene bisimide bay region [132,133]. Reagents and conditions: (a) for 150 or 151: benzyne precursor: 1-(OTf)-2-(TMS)benzene or 1-(COO-)-2-(N2+)benzene, 160 °C, 48 h; KF, PhCN [132] and (b) for 128: 1-(OTf)-2-(TMS)benzene (70 °C, THF) or 1-(COO-)-2-(N2+)benzene (70 °C, THF, 18-Crown-6), up to 36 h [133].
