Titelbild: Light‐Driven Transport of a Molecular Walker in Either Direction along a Molecular Track (Angew. Chem. 1/2011)

A series of thieno [3,4-c]pyrrole-4,6-dione (TPD)-based functional small molecules were efficiently synthesized through direct C À H arylations using inexpensive copper salts. In this study, we examined all required reaction parameters including various copper complexes, ligands, bases, and (co)solvents. Under the optimum reaction conditions, the C À H arylation proceeded smoothly and a variety of functional groups such as ester, nitrile, fluoride, chloride, triazene, and amine were tolerated. This method provides a step-economical and relatively low-cost synthetic alternative to presently used coupling reactions for the preparation of TPD-containing p-functional materials.

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Microarrays Formed by Microfluidic Spinning as Multidimensional Microreactors

Wang

Chen

2014

Angewandte Chemie

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The exploration of methods allowing chemical reactions to be carried out at ultrasmall scales is of great scientific and technological interest. We report herein a microfluidic spinning technique for the fabrication of softened‐polymer microarrays for use as multidimensional microreactors and the application of these microreactors in the synthesis of fluorescent nanocrystals. Highly aligned microarrays and controlled‐angle grids were readily constructed from microfluidically spun polyvinylpyrrolidone (PVP) microfibers. One–zero dimensional (1D–0D), one–one dimensional (1D–1D), and one–two dimensional (1D–2D) microreactors were then produced by the intersections between microfibers and droplets, crossed microfibers, and microfibers and a PVP film, respectively; each component can be doped with different reagents. Specific examples show that these multidimensional microreactors enable the in situ generation of fluorescent nanocrystals without ligands within minutes.

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Titelbild: Light‐Driven Transport of a Molecular Walker in Either Direction along a Molecular Track (Angew. Chem. 1/2011)

Cited by 30 publications

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DNA‐Induced Nanoparticle Assembly

DNA‐Induced Nanoparticle Assembly

Copper‐Catalyzed Direct CH Arylation of Thieno[3,4‐c]pyrrole‐4,6‐dione (TPD): Toward Efficient and Low‐Cost Synthesis of π‐Functional Small Molecules

Microarrays Formed by Microfluidic Spinning as Multidimensional Microreactors

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