Reductive coupling may be used to join two or more aromatic rings together, creating the desired dibenzo-annelated annulene. This step typically involves the use of reducing agents, such as metals (e.g., zinc or sodium) in the presence of solvents like ether. The reaction conditions are carefully controlled to ensure the selective formation of the desired product.
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6,7:12,13-dibenzo-2,4,14,16-octadecatetraene-8,10-diynedial
1-(4-(methylthio)phenyl)butan-1-one
CHLORBENSIDE
1,3,4,6-tetraphenylhexa-2,4-diene-1,6-dione
C13H16O4
N,N'-bis-(2-chloro-phenyl)-bibenzyl-α,α'-diyldiamine
dodecane-6,7-dione
(Sp)-(-)-menthyl (4-methylphenyl)phenylphosphinate
[(2-tert-butyl-6-(4-fluorophenyl)pyridine(-2H))Pt(PPh3)]
4-butyryloxy-5-octanone
1,2-bis([1,1′-biphenyl]-4-ylmethyl)disulfane
4-(Chlorodimethylsilyl)phthalic anhydride
2,6-di-tert-butyl-4-methylphenyl (cyclohexen-3-yl)acetate
meso-1,2-bis(4-bromophenyl)ethane-1,2-diol
