A one-pot transformation of biaryl dicarboxylic acids to (NH)-phenanthridinone derivatives {based|primarily based} on a Curtius rearrangement and subsequent {basic|fundamental|simple|standard} hydrolysis was {developed|created}. This {method|technique|approach|strategy|system|process} {is also|can also be} applicable for the preparation of optically active amide-functionalized [7]helicene-like molecules. {Furthermore|Moreover|In addition|Additionally}, aza[5]helicene derivatives {with a|having a|using a} phosphate moiety {were|had been|have been} isolated as a {product|item|solution} {of the|from the|in the|on the|with the|of your} Curtius rearrangement step {in the|within the|inside the} case of substrates that bear chalcogen atoms. The stereostructures {of these|of those} {products|goods|items|merchandise|solutions}, revealed by X-ray diffraction {analysis|evaluation}, {suggested|recommended} that chalcogen-bonding and pnictogen-bonding interactions {might|may|may well|may possibly|could|could possibly} contribute to their stabilization. The configurational stability {of the|from the|in the|on the|with the|of your} helicene-like molecules and their chiroptical properties {were|had been|have been} {further|additional} investigated. 1H-Benzotriazole-1-carboxaldehyde Purity 1243361-03-6 Purity PMID:27102143

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