Recommanded Product: 1671-88-1. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine, is researched, Molecular C12H10N6, CAS is 1671-88-1, about Engineering Solid-State Molecular Switches: N-Salicylidene N-Heterocycle Derivatives. Author is Robert, Francois; Naik, Anil D.; Hidara, Florence; Tinant, Bernard; Robiette, Raphael; Wouters, Johan; Garcia, Yann.
A supramol. engineering approach has been developed for a novel family of N-salicylidene aniline derivatives to control their thermo- and photochromic behaviors. Hsaltrz, Habs, Hsalphen, Hsaltz and Ksaltz are versatile mols. built from N-heterocycles, which drive the mol. arrangement to form a controlled crystal packing with predesigned optical properties. A complete structural, optical and computational study of powders of these new mol. nanoswitches is presented. An N-salicylidene aniline derivative possessing no thermo- or photoinduced chromic properties thanks to a specific mol. geometry was sought, and Habs and Hsalphen were designed to enhance π-π stacking interactions. A theor. study of the crystal packing, combined with time-dependent diffuse reflectance studies of Habs, have confirmed the appearance of photochromism at room temperature completed with an unprecedented “”spring-type effect”” observed during the photochem. relaxation of the metastable trans-keto form. The absence of thermochromism in an N-salicylidene aniline derivative, induced by the absence of cis-keto form, is a unique behavior, firstly identified and explained for these types of compounds Finally, Hsaltz and Ksaltz are the result of a mol. derivation of Hsaltrz which allow enhancing the amplitude of thermochromism of these functional materials.
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Reference:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem