The optimization of synthetic methodologies that lead to novel synthetically and electronically valuable SubPc molecules is of great interest for the use of these molecules in applied fields. In this work, we describe some useful procedures for the incorporation of diverse functional groups in the periphery of the SubPc macrocycle. Different metal‐catalyzed cross‐coupling reactions, including Stille or Suzuki couplings and palladium‐catalyzed borylation or amination reactions, have been optimized in order to obtain high yields and avoid SubPc decomposition. In addition, we report on the scope of the use of ether functionalities in the condensation reaction with BCl3 and on the synthesis of a trihydroxySubPc, a very valuable compound that could be obtained by deprotection of a silyloxy‐SubPc precursor. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)
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González‐Rodríguez et al. (2009) studied this question.