Triptycene aromaticity
WebJun 4, 2010 · View the Full Spectrum for FREE! The full spectrum can only be viewed using a FREE account. WebThe triptycene-based monomers are ideal candidates to prepare the above-mentioned 2D COFs/CPs with C–H bonds facing the (100) planes. Owing to their unique rigid 3D scaffolds, triptycenes have been extensively explored in a variety of porous polymeric material platforms, such as polymers of intrinsic microporosity (PIMs), conjugated ...
Triptycene aromaticity
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WebJan 26, 2011 · All of these triptycene polyimides (TPIs) were soluble in common organic solvents despite their completely aromatic structure due to the three-dimensional triptycene structure that prevents strong interchain interactions. Low solution viscosities (0.07−0.47 dL/g) and versatile solubilities allow for easy solution processing of these polymers. WebMar 1, 2016 · The triptycene unit as a shape-persistent building block with a high internal free volume and D3h symmetry was incorporated into the polyimide, which showed high …
WebJan 9, 2024 · Figure 1: Triptycene as a scaffold and selected porphyrin and BODIPY arrays. While much work has been done on the functionalization of the aromatic rings of … WebApr 18, 2012 · The cyclization and planarization of polycyclic aromatic hydrocarbons with concomitant oxygen substitution was achieved through acid catalyzed transetherification and oxygen-radical reactions. The triptycene scaffold enforces proximity of the alcohol and arene reacting partners and confers significant rigidity to the resulting π-system, …
WebJun 12, 2024 · Triptycenes are an intriguing class of organic molecules with several unusual characteristics, such as a propeller-like shape, saddle-like cavities around a symmetrical scaffold, a rigid π-framework. They have been extensively studied and proposed as key synthons for a variety of applications in supramolecular chemistry and materials science. WebSynthesis of new triptycene-containing polyamides (TPAs) using 2,6-diaminotriptycene and various aromatic and aliphatic dicarboxylates (Yamazaki–Higashi phosphorylation polyamidation) is described.The effect of the polymer backbone flexibility on the surface morphology of the respective polymer is studied.
WebAug 23, 2024 · Triptycene and its derivatives are a class of organic molecules having unique three-dimensional rigid structures, and they have proved to be useful building blocks for constructing new synthetic macrocyclic hosts with specific structures and properties.
WebJul 5, 2010 · Triptycene is a perfect candidate to investigate homoconjugation effects due to its three-dimensional alignment of three aromatic phenylene units, separated by two … grosvenor bone china englandWebDec 1, 2015 · Subsequently, three all-aromatic polyimides, PIa, PIb and PIc, were prepared by a one-step polycondensation of triptycene-2,3,6,7-tetracarboxylic dianhydride with 2,2′-bis... filing case hard driveTriptycene is an aromatic hydrocarbon, the simplest iptycene molecule with the formula C2H2(C6H4)3. It is a white solid that is soluble in organic solvents. The compound has a paddle-wheel configuration with D3h symmetry. It is named after the medieval three-piece art panel, the triptych. Several substituted triptycenes are known. Barrelenes are structurally related. Due to the rigid fram… filing ccjWebA series of aromatic amides incorporated with N-heterocycles or triptycene units are synthesized and studied for probing the effects of such chemical modifications on the intermolecular interactions. Single crystals of a number of heterocyclic amides and the triptycene-containing amide were obtained. Crystal filing cats nailsWebAn iptycene is an aromatic compound composed of varying number of arene subunits bound to a bridged bicyclo-octatriene core structure. They are formally derivatives of barrelene. … grosvenor bonus codeWebTriptycene is an aromatic compound with D3h symmetry, where three benzene rings are fused to a bicyclo [2.2.2]octatriene skeleton. 1,8,13-Substituted triptycenes exhibit … grosvenor bowling club greenockWebNov 30, 2012 · Treatment of triptycene with concentrated nitric acid in glacial acetic acid under 27–29 °C for 3 h could afford 2-nitro triptycene in a 44 % yield, whereas 2,6- and 2,7 … filing ccmcc