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Conformational Flexibility and Size of Large trans-Vinylene-Bridged Thiaporphyrinoids Influence Boron Coordination Modes
Autorzy
Rok wydania
2026
Czasopismo
Numer woluminu
28
Strony
11457-11462
DOI
10.1021/acs.orglett.6c02977
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
Two π-extended core-modified porphyrinoids were synthesized and structurally characterized to probe boron-induced geometry switching and modulation of electron delocalization. trans-Vinylene-bridged hexathiadodecaphyrin forms the largest fully characterized porphyrinoid BODIPY-type complex while retaining the parent open-form geometry, whereas octathiahexadecaphyrin does not support boron coordination. Notably, a smaller figure-of-eight tetrathiaoctaphyrin analogue exhibits unusual direct C–B bond formation, highlighting the pronounced structural sensitivity of expanded porphyrinoids and their utility in accessing unconventional bonding and coordination modes.
Słowa kluczowe
Boron, Aromatic compounds, Pyrroles, Aromaticity, Macrocycles
Adres publiczny
http://dx.doi.org/10.1021/acs.orglett.6c02977
Strona internetowa wydawcy
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