Showing 1 - 20 results of 23 for search '"Claisen rearrangement"', query time: 0.08s Refine Results
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    Recent Advances in Catalytic [3,3]-Sigmatropic Rearrangements by Huijin Lee, Ki Tae Kim, Min Kim, Cheoljae Kim

    Published 2022-02-01
    Subjects: “…Claisen rearrangement…”
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    Synthesis and Modeling of Ezetimibe Analogues by Mateo M. Salgado, Alejandro Manchado, Carlos T. Nieto, David Díez, Narciso M. Garrido

    Published 2021-05-01
    “…The route involves a domino process: allylic acetate rearrangement, stereoselective Ireland–Claisen rearrangement and asymmetric Michael addition, which provides a δ-amino acid derivative with full stereochemical control. …”
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  14. 14

    Photoredox-catalyzed diastereoselective dearomative prenylation and reverse-prenylation of electron-deficient indole derivatives by Xuexue Chang, Fangqing Zhang, Shibo Zhu, Zhuang Yang, Xiaoming Feng, Yangbin Liu

    Published 2023-06-01
    “…Herein, a photoredox-catalyzed tandem Giese radical addition/Ireland–Claisen rearrangement is disclosed. Diastereoselective dearomative prenylation and reverse-prenylation of electron-deficient indoles proceed smoothly under mild conditions. …”
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    Synthesis of 7,2′-Dihydroxy-4′,5′-Dimethoxyisoflavanone, a Phytoestrogen with Derma Papilla Cell Proliferative Activity by Taewoo Kim, Hyun Su Kim, Jaebong Jang, Dong-Jun Kim, Jongkook Lee, Dongjoo Lee, Seok-Ho Kim

    Published 2022-10-01
    “…The key features of the synthesis include the construction of the deoxybenzoin unit through a sequence of Claisen rearrangement, oxidative cleavage, and aryllithium addition and the efficient synthesis of the isoflavanone architecture from highly functionalized 2-hydroxyketone.…”
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    Total Synthesis and Anti-Inflammatory Evaluation of Osajin, Scandenone and Analogues by Rui Wang, Ran Ma, Ke Feng, Hongchen Lu, Wei Zhao, Hongzhen Jin

    Published 2024-01-01
    “…The key synthetic steps include aldol/intramolecular iodoetherification/elimination sequence reactions and a Suzuki coupling reaction to assemble the tricyclic core, chemoselective propargylation and Claisen rearrangement reactions to obtain natural compounds. …”
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    Synthetic Potential of Regio- and Stereoselective Ring Expansion Reactions of Six-Membered Carbo- and Heterocyclic Ring Systems: A Review by Rida Noor, Ameer Fawad Zahoor, Asim Mansha, Samreen Gul Khan, Atta Ul Haq, Sajjad Ahmad, Sami A. Al-Hussain, Ali Irfan, Magdi E. A. Zaki

    Published 2023-04-01
    “…Numerous rearrangement and cycloaddition reactions involving Tiffeneau–Demjanov rearrangement, Aza–Claisen rearrangement, Schmidt rearrangement, Beckmann rearrangement, etc., have been described in this regard.…”
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    Total Synthesis of Lineaflavones A, C, D, and Analogues by Rui Wang, Yu Fu, Ran Ma, Hongzhen Jin, Wei Zhao

    Published 2023-03-01
    “…The key synthetic steps include aldol/oxa-Michael/dehydration sequence reactions to assemble the tricyclic core, Claisen rearrangement and Schenck ene reaction to construct the key intermediate, and selective substitution or elimination of tertiary allylic alcohol to obtain natural compounds. …”
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    Synthesis and Biological Evaluation of Substituted Fused Dipyranoquinolinones by Evangelia-Eirini N. Vlachou, Eleni Pontiki, Dimitra J. Hadjipavlou-Litina, Konstantinos E. Litinas

    Published 2023-07-01
    “…In the absence of gold nanoparticles, the methyl-substituted propargyloxycoumarin derivatives resulted in fused furopyranoquinolinones through Claisen rearrangement and <i>5-exo-dig</i> cyclization. The intermediate propargyloxy-fused pyridocoumarins are prepared by propargylation of the corresponding hydroxy-fused pyridocoumarins. …”
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    Exploring the Mechanism of Catalysis with the Unified Reaction Valley Approach (URVA)—A Review by Elfi Kraka, Wenli Zou, Yunwen Tao, Marek Freindorf

    Published 2020-06-01
    “…After presenting the theoretical background of URVA, we discuss its application to four diverse catalytic processes: (i) the Rh catalyzed methanol carbonylation—the Monsanto process; (ii) the Sharpless epoxidation of allylic alcohols—transition to heterogenous catalysis; (iii) Au(I) assisted [3,3]-sigmatropic rearrangement of allyl acetate; and (iv) the <i>Bacillus subtilis</i> chorismate mutase catalyzed Claisen rearrangement—and show how URVA leads to a new protocol for fine-tuning of existing catalysts and the design of new efficient and eco-friendly catalysts. …”
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