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Computation meets experiment: identification of highly efficient fibrillating peptides† † Electronic supplementary information (ESI) available: CCDC 2174444–2174447. For ESI and crystallographic data in CIF or other electronic format see DOI: https://doi.org/10.1039/d3ce00495c

ABSTRACT:

SUBMITTER: Sori L

PROVIDER: S-EPMC10424810 | biostudies-literature | 2023 Jul

REPOSITORIES: biostudies-literature

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1-Azahomocubane† † Electronic supplementary information (ESI) available. CCDC 2177501. For ESI and crystallographic data in CIF or other electronic format see DOI: https://doi.org/10.1039/d3sc00001j

Project description:Highly strained cage hydrocarbons have long stood as fundamental molecules to explore the limits of chemical stability and reactivity, probe physical properties, and more recently as bioactive molecules and in materials discovery. Interestingly, the nitrogenous congeners have attracted much less attention. Previously absent from the literature, azahomocubanes, offer an opportunity to investigate the effects of a nitrogen atom when incorporated into a highly constrained polycyclic environment. Herein disclosed is the synthesis of 1-azahomocubane, accompanied by comprehensive structural characterization, physical property analysis and chemical reactivity. These data support the conclusion that nitrogen is remarkably well tolerated in a highly strained environment. 1-Azahomocubane has been prepared 56 years after the parent hydrocarbon. Introduction of a nitrogen atom into this constrained polycyclic environment resulted in minimal changes to the framework geometry, with s-character of the nitrogen lone pair increasing due to strain.

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Terminal dysprosium and holmium organoimides† † Electronic supplementary information (ESI) available. CCDC 2312212–2312226. For ESI and crystallographic data in CIF or other electronic format see DOI: https://doi.org/10.1039/d3sc06584g