1344734-18-4

Upstream product

• 10243-15-9 3-bromo-2-methylbenzo[b]thiophene 
• 559-40-0 octaperfluorocyclopentene 
• 152431-65-7 3-(2-fluoro-3,3,4,4,5,5-hexafluorocyclopent-1-en-1-yl)-2-methylbenzo[b]thiophene 
• 550348-57-7 3-bromo-5-(4-(1,3-dioxolan-2-yl)phenyl)-2-methylthiophene 
• 154566-69-5 3-bromo-2-methylthiophene-5-boronic acid 
• 1122-91-4 4-bromo-benzaldehyde 
• 29421-73-6 3,5-dibromo-2-methylthiophene 
• 554-14-3 2-Methylthiophene 
• 1195-14-8 2-Methylbenzothiophene 
• 95-15-8 Benzo[b]thiophene 
• 550348-56-6 4-(4-bromo-5-methylthiophen-2-yl)benzaldehyde 
• 1089333-62-9 4-(5-methylthiophen-2-yl)benzaldehyde 

Downstream Products

• 1344734-19-5 C₃₅H₂₄F₆O₂S₂ 

Relevant academic research and scientific papers

A highly selective ratiometric fluorescent chemosensor for Hg2+ based on a new diarylethene with a stilbene-linked terpyridine unit

A novel asymmetrical diarylethene with a stilbene-linked terpyridine chromophore has been synthesized by Heck reaction. It exhibited effectively switchable fluorescence when triggered by UV/Vis and Hg2+/EDTA. Induced by Hg2+, its emission peak was red-shifted by 60 nm and emission intensity was enhanced by 4-fold with a concomitant color change from light blue to bright green due to the formation of a 1:2 metal/ligand complex. As a result, the diarylethene can serve as a fluorescence chemosensor for highly selective recognition of Hg2+ in dichloromethane. Moreover, a complicated logic circuit was constructed with the unimolecular platform by using the fluorescence intensity at 514 nm as outputs and the combinational stimuli of light and chemical species as inputs.

A new multi-addressable molecular switch based on a photochromic diarylethene with a thieno-imidazole unit

A novel photochromic diarylethene has been synthesized using dithieno-benzo-imidazole as a functional group and perfluorodiarylethene as photon-controlled unit via a benzene linkage. The diarylethene could be used as a multi-addressable fluorescence switch upon triggering by acid/base, light, and Al3+ in acetonitrile. When stimulated by base, the absorption maximum of its closed-ring isomer was red-shifted from 560 nm to 594 nm with an evident color change from purple to blue. When induced by acid, the emission intensity of its open-ring isomer was enhanced by 109 fold with a notable fluorescence color change from dark to bright cyan. Moreover, its fluorescence intensity was dramatically increased when triggered by Al3+ and its emission peak was red-shifted from 460 nm to 476 nm due to the formation of a 1:2 metal/ligand complex. In addition, its light and metal-responsive fluorescence behavior was applied to the construction of a molecular logic circuit with three inputs and one output.

Asymmetric octafluorocyclopentene compound with continuous selectivity for Hg2+ and Cys, preparation method and application thereof

The invention discloses [1-[2-methyl-3-benzothiophene], 2-(2-methyl-5-(4-phenyl)-(2-benzoylquinoline-8-benzothiazolyl)-3-thienyl)] octafluorocyclopentene, a preparation method and an application thereof. The preparation method comprises the following steps: by taking benzothiophene as a raw material, replacing by methyl iodide and bromizing and then reacting with octafluorocyclopentene, thereby generating mono-substituted octafluorocyclopentene; by taking 2-thiotolene as a raw material, bromizing and causing n-butyllithium to react with tributyl borate; connecting aldehyde-terminated benzene with thiophene ring through Stuzki coupling; protecting by adopting ethylene glycol and then reacting with the mono-substituted octafluorocyclopentene; reducing into alcoholic hydroxyl group and becoming methylene-containing bromine; reacting with 8-hydroxyquinoline-2-aldehyde group; and finally reacting with 2-amino thiophenol, thereby acquiring a target compound. The compound prepared according to the invention can be used for continuously detecting specific ions and amino acid and has an excellent selectivity.

Photochromic double (N-ethyl -1,8-naphthalene imide) amine-benzo thiophene mixed linkage type dithienylethene compounds, and synthetic method and application

The invention discloses a photochromic bis(N-ethyl-1,8-naphthalimide)amine-benzothiophene hybrid type perfluorocyclopentene compound, and a synthetic method and application thereof. The photochromic material keeps good photochromic performance in solutions, and has extremely good chemical and heat stability, extremely good sensitivity and other superior performances when being in a ring-opened state (a colorless state) and a ring-closed state (a color appearance state), is applicable to fluorescence detection, fluorescence-controlled switches, high-density holographic optical storage, dual-control fluorescence molecule switches, pH chemical sensors, metal ion chemical sensors and the like, and is wide in application prospect.

Photochromic polymers bearing various diarylethene chromophores as the pendant: Synthesis, optical properties, and multicolor photochromism

Photochromic polymers with various diarylethene derivatives were synthesized by a conventional radical polymerization of styrene derivatives having diarylethene chromophores as the pendant. All the polymers exhibited reversible photochromism in the film a