Electropolymerization of thienyl tethered comonomers and application towards the electrocatalytic reduction of nitrobenzene

Abstract

The synthesis of different π-spacered thiophene comonomers via Suzuki cross-coupling in good synthetic yields was accomplished.

Supercritical water assisted preparation of recyclable gold nanoparticles and their catalytic utility in cross-coupling reactions under sustainable conditions

“…As an application of AuNP catalysis coupled with our pursuance on photoactive functional chromophores, [28][29][30] we envisaged the synthesis of optoelectronic p-semiconductors by taking advantage of our sustainable conditions (Scheme 3). In this connection, 3g, 91,92 an important thiophene oligomer intermediate frequently encountered in dye-sensitized solar cells (DSSCs) has been prepared by the Suzuki reaction between 1d and 2f, albeit in low yield (28%).…”

“…[19][20][21][22][23][24] On the other hand, it is pertinent to mention that the catalytic potential of AuNPs is exemplied in oxidative esterication and hydrogen transfer reactions. 25 As part of our research interest in new reaction development [26][27][28][29][30] based on gold catalysis, [31][32][33][34][35][36][37] we became interested in the sustainable preparation of AuNPs and subsequent catalytic application in cross-coupling reactions. In particular, we desired to develop a simple and practical procedure for AuNP catalyzed Sonogashira and Suzuki reactions.…”

Radically Accessing D–A Type Ambipolar Copolymeric Materials with Intrinsic Electrical Conductivity and Visible–Near Infrared Absorption Via Electro‐Copolymerization

“…[16][17][18][19][20] The synthesis of conjugated polymers can be conducted under mild conditions with direct deposition of polymers onto conducting substrates for further device fabrication which reduces contaminants that can alter electrical properties. [21][22][23] By utilizing electrochemical methods, polymerization sequences can be varied by changing the type and surface of the electrode as well as the concentration of each monomer. [24,25] The latter has been demonstrated in our previous work where we were able to successfully show copolymerization of benzothiadiazole (BTD)-based copolymers with controlled stoichiometric ratios.…”

“…We and others have reported on the application of electropolymerization as a low‐cost and straightforward alternative strategy to chemical synthesis . The synthesis of conjugated polymers can be conducted under mild conditions with direct deposition of polymers onto conducting substrates for further device fabrication which reduces contaminants that can alter electrical properties . By utilizing electrochemical methods, polymerization sequences can be varied by changing the type and surface of the electrode as well as the concentration of each monomer .…”

Cycloisomerization of π‐Coupled Heteroatom Nucleophiles by Gold Catalysis: En Route to Regiochemically Defined Heterocycles

“…To this end, the present review sum up the regioselective heterocyclization by activation of π‐functionality tethered nucleophiles under the catalytic action of gold. With my journey on various aspects of heterocyclics ranging from methodology [106–112] to medicinal chemistry [113–125] and sustainable energy, [126–133] the present review is particularly intended to cover only heterocyclization. Depending on the substrate class based on the nature of heteroatom and π‐residue, this review is categorized into various sub‐sections with ample illustrations.…”