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Stable Core-Modified Doubly N‑Fused Expanded Dibenziporphyrinoids

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journal contribution
posted on 03.01.2018, 00:00 authored by Sunit Kumar, Malakalapalli Rajeswara Rao, Mangalampalli Ravikanth
We describe one-pot synthesis of stable doubly N-fused expanded dibenziporphyrinoids using readily available precursors under acid-catalyzed conditions. The doubly N-fused expanded dibenziporphyrinoids have been synthesized by adopting an inversion followed by fusion strategy. The studies showed that the dibenziporphyrinoids undergo mono fusion initially, but due to the high stability of doubly fused dibenziporphyrinoids, the monofused macrocycles undergo further fusion to form doubly fused dibenziporphyrinoids. The mono fusion and double fusion in these dibenziporphyrinoids were established by X-ray crystallography.