Results 231 to 240 of about 623,570 (296)
Large B-cell Lymphoma With IRF4 Rearrangement in the Elderly. [PDF]
CureusHoraguchi R +9 more
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Thermal Cyclotrimerization Bridges Polymer-Filler Interfaces for High-Performance CO<sub>2</sub> Separation Membranes. [PDF]
Adv Sci (Weinh)Lin Z +7 more
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Axial Round Cell Sarcoma Harboring a Non-ETS EWSR1 Rearrangement: Diagnostic Challenges and Clinical Implications. [PDF]
CureusBolivar S +3 more
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On-surface synthesis of nonbenzenoid nanographenes through skeletal rearrangement reactions on Au(111). [PDF]
Sci Technol Adv MaterSun K +4 more
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Design, green synthesis and biological evaluation of fluorinated <i>N</i>-acyl sulfonamides as novel anti-inflammatory agents: an <i>in vivo</i> and <i>in silico</i> study. [PDF]
RSC AdvLitim Z +7 more
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When a “Dimroth Rearrangement” Is Not a Dimroth Rearrangement
The Journal of Organic Chemistry, 2021In the Dimroth rearrangement of heterocycles, often pyrimidines, an exocyclic and a ring substituent are interchanged. However, the term Dimroth rearrangement is frequently used even when there is no knowledge of the reaction mechanism and alternatives are likely. Here, we have employed density functional theory (DFT) calculations at the M06-2X/6-311+G(
Curt Wentrup +3 more
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Journal of Natural Products, 2018
An alternative procedure for isolation of 4β-phorbol from seeds of Croton tiglium has been developed, and an artifact containing a furan ring formed by rearrangement of 12,13,20- O-triacylated phorbol derivatives into (6b S,7 R,8 R,8a S)-2-(hydroxymethyl)-5,7,9,9-tetramethyl-3,7,8,9,9a,9b-hexahydrocyclopropa[3',4']benzo[1',2':3,4]cyclohepta[1,2- b ...
Tomas Zimmermann +2 more
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An alternative procedure for isolation of 4β-phorbol from seeds of Croton tiglium has been developed, and an artifact containing a furan ring formed by rearrangement of 12,13,20- O-triacylated phorbol derivatives into (6b S,7 R,8 R,8a S)-2-(hydroxymethyl)-5,7,9,9-tetramethyl-3,7,8,9,9a,9b-hexahydrocyclopropa[3',4']benzo[1',2':3,4]cyclohepta[1,2- b ...
Tomas Zimmermann +2 more
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Organic Letters, 2003
[reaction: see text] A barrelene derivative fragments to afford benzene and trappable 1,2,3-tricyanocyclopropene. The barrelene anion fragments more easily to liberate benzene and the 1,2,3-tricyanocyclopropenyl anion, which is not trappable or stable in solution.
Martin, Leivers +5 more
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[reaction: see text] A barrelene derivative fragments to afford benzene and trappable 1,2,3-tricyanocyclopropene. The barrelene anion fragments more easily to liberate benzene and the 1,2,3-tricyanocyclopropenyl anion, which is not trappable or stable in solution.
Martin, Leivers +5 more
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Mechanochemical Rearrangements
The Journal of Organic Chemistry, 2021Molecular rearrangements are a powerful tool for constructing complex structures in an atom- and step-economic manner, translating multistep transformations into an intrinsically more sustainable process. Mechanochemical molecular rearrangements become an even more appealing eco-friendly synthetic approach, especially for preparing active ...
David Virieux +4 more
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Rearrangements in the multiverse
Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials, 2022A brief and personal history of the binding interactions between Hans-Beat Bürgi and Roald Hoffmann is given, and a potential rearrangement of their molecules is considered.
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