Pd(II)/tbu-quinolineoxazoline: An Air-stable And Modular Chiral Catalyst System For Enantioselective Oxidative Cascade Cyclization [PDF]
, 2009 An air-stable and structurally tunable chiral (t)Bu-quinolineoxazoline/Pd(II) catalyst system has been developed for the enantioselective oxidative cascade cyclization of a variety of disubstituted olefinic substrates, with the apparent advantages of ...
Yang, D, He, W, Zhu, NY, Yip, KT
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Cyclic Peptoid-Peptide Hybrids as Versatile Molecular Transporters
Frontiers in Chemistry, 2021 Addressing intracellular targets is a challenging task that requires potent molecular transporters capable to deliver various cargos. Herein, we report the synthesis of hydrophobic macrocycles composed of both amino acids and peptoid monomers. The cyclic
Claudine Nicole Herlan +6 more
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Synthesis of Thiomorpholine via a Telescoped Photochemical Thiol-ene/Cyclization Sequence in Continuous Flow [PDF]
, 2022 A procedure for the continuous flow generation of thiomorpholine in a two-step telescoped format was developed. The key step was the photochemical thiol-ene reaction of cysteamine hydrochloride and vinyl chloride as low-cost starting materials under ...
Ryan C. , Nelson +3 more
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Frontiers in Chemistry, 2015 Understanding of the effects of the backbone cyclization on the structure and dynamics of a protein is essential for using protein topology engineering to alter protein stability and function.
Frank H Schumann +6 more
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Enzymatic Bromocyclization of α‐ and γ‐Allenols by Chloroperoxidase from Curvularia inaequalis
ChemistryOpen, 2022 Vanadate‐dependent chloroperoxidase from Curvularia inaequalis catalyzes 5‐endo‐trig bromocyclizations of α‐allenols to produce valuable halofunctionalized furans as versatile synthetic building blocks. In contrast to other haloperoxidases, also the more
Janne M. Naapuri +3 more
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Iron-Promoted Cyclization/Halogenation of Alkynyl Diethyl Acetals [PDF]
, 2009 FeCl(3)(-) and FeBr(3)-promoted cyclization/halogenation of alkynyl diethyl acetals has been efficiently realized, selectively affording (E)-2(1-halobenzylidene or alkylidene)-substituted five-membered carbo- and heterocycles which were then efficiently ...
Xu, Tongyu +3 more
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Divergent Total Syntheses of Aspidospermidine, N-Methylaspidospermidine, N-Acetylaspidospermidine and Aspido-spermine via a Tandem Cyclization of Tryptamine-Ynamide [PDF]
, 2021 The divergent total syntheses of aspidospermidine, N-methylaspidospermidine, N-acetylaspidospermidine and aspidosperm-ine were achieved from a common pentacyclic indoline intermediate.
Maosheng, Cheng +9 more
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Beilstein Journal of Organic Chemistry, 2017 Intramolecular nucleophilic and electrophilic cyclization of N-alkyne-substituted pyrrole esters is described. Efficient routes towards the synthesis of pyrrolopyrazinone, pyrrolotriazinone and pyrrolooxazinone have been developed.
Işıl Yenice +2 more
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The oxime portmanteau motif : released heteroradicals undergo incisive EPR interrogation and deliver diverse heterocycles [PDF]
, 2014 OA funded through the RCUK OA block grant.Selective syntheses are now available for compounds of many classes, based on C-centered radicals, exploiting a diverse range of mechanisms.
John C. Walton, Walton, John Christopher
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Recent Advances in the Biosynthesis of Carbazoles Produced by Actinomycetes
Biomolecules, 2020 Structurally diverse carbazole alkaloids are valuable due to their pharmaceutical properties and have been isolated from nature. Experimental knowledge on carbazole biosynthesis is limited. The latest development of in silico analysis of the biosynthetic
Masaya Kobayashi, Tomohisa Kuzuyama
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