Double Boron-Deleting Annulation: Modular Access to Chiral Nonalternant B,N-Helicenes with Enhanced Chiroptical Properties

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• Química y materiales/Química molecular y computacional26 de sept de 2026

  Redox-Switchable Tristable 1,3,2,4,5-Triboradiazoles

  Here we report a 1,3,2,4,5-triboradiazole (2), an all-inorganic BN-heterocycle isoelectronic with Cp–, that undergoes clean and fully reversible 0/+1/+2 redox interconversion, enabling the isolation and structural characterization of three discrete redox states based on a single B3N2 ring.

  Yu Mu, Yuyang Dai, Taisong Zhao y 3 más — Journal of the American Chemical Society

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• Química y materiales/Química molecular y computacional26 de sept de 2026

  Coherent Vibrational Wave Packet Motion in Er Cry4a Proteins Monitors the Redox State of the Flavin Chromophore

  Our results provide insight into the role of nonadiabatic couplings for the initial steps of cryptochrome photoactivation and suggest a general strategy for redox-state-specific monitoring of charge transfer dynamics by probing coherent vibrational motion.

  Krishan Kumar, Daniel C. Timmer, Maryam Khazani y 8 más — Journal of the American Chemical Society

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• Química y materiales/Química molecular y computacional26 de sept de 2026

  Beyond the Virial Expansion: Microscopic Origins of Partial Molar Volumes in LiCl Solutions

  The resulting data enable the development of highly accurate force fields for Li+ and Cl–, revealing a clear progression from isolated ions to ion pairs and ultimately to higher-order chain and ring structures.

  Chun-Ting Lin, Diganta Dasgupta, Tinglu Yang y 6 más — Journal of the American Chemical Society

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• Química y materiales/Química molecular y computacional26 de sept de 2026

  Asymmetric Hydration and Protonation Switching of Dual Aspartates Drive Flagellar Rotation

  Our findings reveal that MotA rotation requires two essential prerequisites: plug removal and alternating D22 protonation switching, coupled with dynamic gauche-trans conformational changes in the side chain of D22.

  Jiancheng Luo, Haidai Hu, Zhitao Cai y 6 más — Journal of the American Chemical Society

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• Química y materiales/Química molecular y computacional26 de sept de 2026

  Total Synthesis and Structure Determination of Mutanolins Detected in a Human Oral Microbiome Symbiont

  Herein, we present streamlined total syntheses to elucidate the structures of mutanolins A–F.

  Héloïse M. A. Colombano, Lukas Lüthy, Simon Sieber y 4 más — Journal of the American Chemical Society

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