Results 21 to 30 of about 15,609 (285)
Antioxidants, 2021 Since 2016, the invasive halophyte Spartina anglica has been colonizing mudflats along the western coast of South Korea. In order to minimize costs on S.
Geum Jin Kim +7 more
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Beilstein Journal of Organic Chemistry, 2020 The first example of the cycloaddition of in situ-generated azomethine imine under microwave conditions is described. The reaction of 6-aryl-1,5-diazabicyclo[3.1.0]hexanes with 1,3-diphenylprop-2-en-1-ones proceeds regio- and stereoselectively giving ...
Alexander P. Molchanov +3 more
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Acta Crystallographica Section E: Crystallographic Communications, 2022 N-Butyl-2,3-bis(dicyclohexylamino)cyclopropenimine (1) crystallizes from benzene and hexanes in the presence of HCl as a monobenzene solvate of the hydrochloride salt, [1H]Cl·C6H6 or C31H54N3+·Cl−·C6H6, in the P21/n space group.
Gaby M. Muñoz Sánchez +1 more
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Development of the Lewis Acid Catalyzed Allenoate-Claisen Rearrangement. Investigations of Enantioselective Catalysis of the Allenoate-Claisen Rearrangement. Studies Towards the Total Synthesis of Erythrolide E [PDF]
, 2004 The development of a new Lewis acid catalyzed sigmatropic reaction is described. This process, termed the allenoate-Claisen rearrangement, involves the metal-catalyzed condensation of an allenic ester with a tertiary allylic amine.
Lambert, Tristan Hayes
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Enantioselective homogeneous catalysts for the synthesis of fluorinated organic compounds [PDF]
, 2012 This thesis is divided into three main results chapters that reflect the path my research took. In the first results chapter, the first organocatalyst for the carbonyl-ene reaction was discovered and found to give high conversion using 1,3-bis(3,5-bis ...
Jones, Charlotte E. S.
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Molecules, 2011 The present study reports the Gas Chromatography-Mass Spectrometry (GC-MS) evaluation of the hexanes and dichloromethane fractions from extracts of the red alga Centroceras clavulatum (C. Agardh) Montagne. Twenty three compounds were identified, totaling
Hosana M. Debonsi +8 more
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Bicyclo[2.1.1]hexanes by Visible Light-Driven Intramolecular Crossed [2 + 2] Photocycloadditions
, 2022 Bicyclo[2.2.1]hexanes have become increasingly popular building blocks in medicinal chemistry as bridged scaffolds that provide unexplored chemical space.
Thorsten Bach (1397326) +1 more
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Spirocyclic Acylphloroglucinol Derivatives from
Natural Product Communications, 2014 Five spirocyclic acylphloroglucinol derivatives ( 1–5 ) have been isolated from a hexanes extract of the leaves of Hypericum pyramidatum. Pyramidatones A-D ( 1–3, 5 ) are new, and chipericumin C ( 4 ) has been previously reported. The acylphloroglucinols
Rebecca Force +6 more
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Dual function of active constituents from bark of Ficus racemosa L in wound healing
BMC Complementary and Alternative Medicine, 2018 Background Different parts including the latex of Ficus racemosa L. has been used as a medicine for wound healing in the Ayurveda and in the indigenous system of medicine in Sri Lanka.
Nisansala Swarnamali Bopage +5 more
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Beilstein Journal of Organic Chemistry, 2022 A reliable method for the synthesis of bis-spirocyclic derivatives of 3-azabicyclo[3.1.0]hexanes through the 1,3-dipolar cycloaddition (1,3-DC) reactions of cyclopropenes to the stable azomethine ylide – protonated form of Ruhemann's purple (PRP) has ...
Alexander S. Filatov +4 more
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