Scheme 23.
Synthesis of nonalternant nanographene 145 containing two azulene units. [Pd2(dba)3].CHCl3: tris(dibenzylideneacetone)dipalladium‐chloroform adduct; t Bu3PHBF4: tri‐tert‐butylphosphine tetrafluoroborate; t AmOH: tert‐amyl alcohol.[ 112 ]
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