21 research outputs found

    Reibungsreduzierung durch gradierte diamantähnliche Kohlenstoffschichten a-C:H:Zr und a-C:H:Ti in EHD-Kontakten des Automobilantriebsstrangs

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    <p>Bold values indicate significant results(p<0.05).</p><p>IQR: Interquartile range</p><p>DR: Diabetic retinopathy</p><p>NPDR: Non proliferative diabetic retinopathy</p><p>PDR: Proliferative diabetic retinopathy</p><p>*Chi-square test.</p><p>Comparison of clinical factor of DR patients by depression status.</p

    sj-docx-2-ict-10.1177_15347354231210811 – Supplemental material for Shenqi Fuzheng Injection Combined With Chemotherapy for Gastric Cancer: An Overview of Systematic Reviews and Meta-Analyses

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    Supplemental material, sj-docx-2-ict-10.1177_15347354231210811 for Shenqi Fuzheng Injection Combined With Chemotherapy for Gastric Cancer: An Overview of Systematic Reviews and Meta-Analyses by Jing Xu, Xiao Li, Qing Dong, Liyuan Lv, Zhangjun Yun and Li Hou in Integrative Cancer Therapies</p

    Synthesis of 2,3-Dialkyl-5-hydroxybenzofurans via a One-pot, Three-step Reaction Sequence of 2‑Monosubstituted 1,3-Diketones and 1,4-Benzoquinones

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    An economical one-pot, three-step reaction sequence of readily available 2-monosubstituted 1,3-diketones and 1,4-benzoquinones has been explored for the facile access of 2,3-dialkyl-5-hydroxybenzofurans. By using cheap K2CO3 and conc. HCl as the reaction promoters, the reaction occurs smoothly via sequential Michael addition, aromatization, retro-Claisen, deacylation, hemiketalization, and dehydration processes under mild conditions in a practical manner. Additionally, an interesting phenomenon was observed during the derivatization studies, where the dihydroquinoline was converted into tetrahydroquinoline and quinoline products, respectively, via a disproportionation process

    sj-docx-1-ict-10.1177_15347354231210811 – Supplemental material for Shenqi Fuzheng Injection Combined With Chemotherapy for Gastric Cancer: An Overview of Systematic Reviews and Meta-Analyses

    No full text
    Supplemental material, sj-docx-1-ict-10.1177_15347354231210811 for Shenqi Fuzheng Injection Combined With Chemotherapy for Gastric Cancer: An Overview of Systematic Reviews and Meta-Analyses by Jing Xu, Xiao Li, Qing Dong, Liyuan Lv, Zhangjun Yun and Li Hou in Integrative Cancer Therapies</p

    Synthesis of 2,3-Dialkyl-5-hydroxybenzofurans via a One-pot, Three-step Reaction Sequence of 2‑Monosubstituted 1,3-Diketones and 1,4-Benzoquinones

    No full text
    An economical one-pot, three-step reaction sequence of readily available 2-monosubstituted 1,3-diketones and 1,4-benzoquinones has been explored for the facile access of 2,3-dialkyl-5-hydroxybenzofurans. By using cheap K2CO3 and conc. HCl as the reaction promoters, the reaction occurs smoothly via sequential Michael addition, aromatization, retro-Claisen, deacylation, hemiketalization, and dehydration processes under mild conditions in a practical manner. Additionally, an interesting phenomenon was observed during the derivatization studies, where the dihydroquinoline was converted into tetrahydroquinoline and quinoline products, respectively, via a disproportionation process
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