Photochromism of the Synthetic 4',7-Dihydroxyflavylium Chloride

Paulo Figueiredo, Joao C. Lima, Helena Santos, Marie Claude Wigand, Raymond Brouillard, Antonio L. Macanita, and Fernando Pina

J. Am. Chem. Soc., 1994, 116 (4), pp 1249–1254

DOI: 10.1021/ja00083a011

Publication Date: February 1994

Cite this:J. Am. Chem. Soc. 116, 4, 1249-1254

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Article

Photochromism of the Synthetic 4',7-Dihydroxyflavylium Chloride

Emptying the β-Cyclodextrin Cavity by Light: Photochemical Removal of the trans-Chalcone of 4′,7-Dihydroxyflavylium

Reversible Photorheology in Solutions of Cetyltrimethylammonium Bromide, Salicylic Acid, and trans-2,4,4′-Trihydroxychalcone

On the Mechanism of Photochromism of 4′-N,N-Dimethylamino-7-hydroxyflavylium in Pluronic F127

Host−Guest Interactions between Molecular Clips and Multistate Systems Based on Flavylium Salts

Photochemistry of 7-Hydroxy-2-(4-hydroxystyryl)-1-benzopyrylium and Related Compounds

Photochromism of 7,4′-Dihydroxyflavylium in an AOT Reversed Micelle System

Photochromic Soft Materials: Flavylium Compounds Incorporated into Pluronic F-127 Hydrogel Matrixes

Promoting Photochromism on Flavylium Derived 2-Hydroxychalcones in Aqueous Solutions by Addition of CTAB Micelles

Novel Ground- and Excited-State Prototropic Reactivity of a Hydroxycarboxyflavylium Salt

Ground- and Excited-State Proton Transfer in Anthocyanins: From Weak Acids to Superphotoacids

Multistate/Multifunctional Systems. A Thermodynamic, Kinetic, and Photochemical Investigation of the 4‘-Dimethylaminoflavylium Compound

Manipulation of the Reactivity of a Synthetic Anthocyanin Analogue in Aqueous Micellar Media

Proton Transfer in Anthocyanins and Related Flavylium Salts. Determination of Ground-State Rate Constants with Nanosecond Laser Flash Photolysis

An Easy and Cheap Flash Spectroscopy Experiment

Photochromism of 4‘-Methoxyflavylium Perchlorate. A “Write−Lock−Read−Unlock−Erase” Molecular Switching System

Efficient photochromism from the network of chemical reactions of 7,4′-dihydroxyflavylium in CTAB micelles

Substitution and solvent effects in the chalcones isomerization barrier of flavylium photochromic systems

Multistate reaction kinetics of 6-hydroxy-4′-(dimethylamino)flavylium driven by pH. A stopped-flow study

The chemistry of 6-hydroxyflavylium: zwitterionic base and p-quinoidal chalcones. A multiswitchable system operated by proton, electron and photon inputs

Write-Read-Erase Molecular-Switching System Trapped in a Polymer Hydrogel Matrix

One-Step Synthesis of Novel Flavylium Salts Containing Alkyl Side Chains in Their 3-, 4?-, 5- or 6-Positions and Their Photophysical Properties in Micellar Media

Photo- and pH-Induced Transformations of Flavylium Cation: “Write–Lock–Read–Unlock-Erase” Cycles

Laser Flash Photolysis Studies of the Photo-Ring-Opening Reaction of Flav-3-en-2-ol.

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