Abstract
Abstract We report herein an improved method for the quantitative preparation of free bases of 5,10,15,20-tetraaryl-5,15-diazaporphyrinoid (TADAP) using Me3SiBr–MeOH to treat the corresponding zinc(II) complexes. Metallation of the free base with HSiCl3 followed by Si–X metathesis with SbF3 and redox reactions afforded difluorosilicon(IV) complexes of TADAP.
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