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Claisen Rearrangement Toward Cyclic Compound on Different Organic Synthesis Methods: Short Review
Published 2023-12-01Subjects: Get full text
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Selective C‐7 Functionalization of Phenanthridines by Microwave‐Assisted Claisen Rearrangements of 8‐Allyloxyphenanthridines
Published 2023-07-01Subjects: “…Claisen rearrangement…”
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Base-Mediated Claisen Rearrangement of CF<sub>3</sub>-Containing Bisallyl Ethers
Published 2021-07-01Subjects: “…Claisen rearrangement…”
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Reshuffle Bonds by Ball Milling: A Mechanochemical Protocol for Charge-Accelerated Aza-Claisen Rearrangements
Published 2023-01-01Subjects: “…Claisen rearrangement…”
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Synthesis of Dihydrooxepino[3,2-c]Pyrazoles via Claisen Rearrangement and Ring-Closing Metathesis from 4-Allyloxy-1H-pyrazoles
Published 2018-03-01Subjects: Get full text
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Synthesis and late stage modifications of Cyl derivatives
Published 2022-02-01Subjects: Get full text
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Synthesis of Indoloquinolines: An Intramolecular Cyclization Leading to Advanced Perophoramidine-Relevant Intermediates
Published 2021-10-01Subjects: Get full text
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Recent Advances in Catalytic [3,3]-Sigmatropic Rearrangements
Published 2022-02-01Subjects: “…Claisen rearrangement…”
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Claisen, Cope and Related Rearrangements in the Synthesis of Flavour and Fragrance Compounds
Published 2000-08-01Subjects: “…Claisen rearrangements…”
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Synthesis and Modeling of Ezetimibe Analogues
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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Photoredox-catalyzed diastereoselective dearomative prenylation and reverse-prenylation of electron-deficient indole derivatives
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
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
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
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
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
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
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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