Publications by authors named "Yansong Hu"

Conjugated porous polymers bearing flavone moieties (FL-CPPs) were synthesized a tandem approach. The carbonylative Sonogashira coupling in tandem with cyclization guided the assembling of building blocks with the accompanied production of flavone skeletons. The FL-CPPs were proved to be efficient metal-free photocatalysts for the [3+2] cycloaddition of phenols with olefins under the irradiation of visible-light.

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Article Synopsis
  • A new method for C-S cross-coupling reactions has been developed, using visible light to promote the reaction without the need for metals, ligands, or photocatalysts.
  • The approach utilizes alkyl thiol derivatives and (hetero)aryl halides, resulting in a mild, scalable, and high-yielding process that improves upon traditional methods.
  • Mechanistic studies reveal that an electron donor-acceptor (EDA) complex forms, which initiates the C-S bond formation through charge transfer when exposed to visible light.
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Article Synopsis
  • Organic synthesis using visible light is becoming more popular among synthetic chemists due to its advantages.
  • Reactions using EDA (excited-state electron donor-acceptor) complexes avoid the need for toxic or costly photoredox catalysts typically required in traditional photoreactions.
  • Density functional theory (DFT) was used to investigate EDA complexes of substituted 1-indole and benzyl bromide, leading to a comparison of different substituent effects and the prediction of a new EDA complex.
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Visible-light active heterogeneous organophotocatalysts have recently gained considerable interest in organic synthetic community. Ordered mesoporous polymers (OMPs) are highly promising as heterogeneous alternative to traditional precious metal/organic dyes-based photocatalysts. Herein, we report the preparation of a benzothiadiazole functionalized OMPs (BT-MPs) through a "bottom-up" strategy.

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Liver injury is one of the most severe traffic trauma. The development of accurate liver finite element model is beneficial for improving the biofidelity and validity in crash simulations, aiming to analyze the injury in accidents. 12 human liver finite element models in the current research were constructed from high resolution CT data of a Chinese male 50th percentile human subject, including the main structures like left lobe, right lobe, capsule, parenchyma and falciform ligament.

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A visible-light-induced aerobic oxidative [2+3] cycloaddition reaction between glycine derivatives and thiiranes has been disclosed, which provides an efficient and atom-economical strategy for the rapid synthesis of thiazolidine-2-carboxylic acid derivatives and the post-modification of glycine-derived dipeptides under mild conditions with good yield and high diastereoselectivities. A preliminary mechanistic study favors a pathway involving a cooperative photoredox catalysis and iron catalysis.

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We report herein a "bottom-up" approach for the one-step assembly of a MacMillan catalyst-based phenolic-type polymer (Mac-CP). The resulting self-supported polymeric organocatalyst possesses homogeneously distributed and highly concentrated catalytic sites. Furthermore, Mac-CP is soluble in CHCN but insoluble in hexane.

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Atherosclerosis (AS), a chronic inflammatory vascular disease with lipid metabolism abnormalities, is one of the major pathological bases of coronary heart disease. As people's lifestyles and diets change, the incidence of AS increases yearly. Physical activity and exercise training have recently been identified as effective strategies for lowering cardiovascular disease (CVD) risk.

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A Ce(III)-catalyzed, visible-light-induced aerobic oxidative dehydrogenative coupling/aromatization reaction between glycine derivatives and alkenes has been developed, which provides an efficient approach for the synthesis of quinoline derivatives and post-modification of oligopeptides containing glycine residues under mild conditions without the need for external photosensitizers.

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