Results 31 to 40 of about 354,144 (311)
Two Catalytic Methods of an Asymmetric Wittig [2,3]-Rearrangement
, 2017 Two different approaches for asymmetric catalytic Wittig [2,3]-rearrangement were developed. Allyloxymalonate derivatives were converted into homoallyl alcohols via organocatalytic or Ca2+-catalyzed pathways in moderate to high ...
Ivar Järving (1581055) +4 more
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Rearrangement groups of fractals [PDF]
, 2023 We construct rearrangement groups for edge replacement systems, an infinite class of groups that generalize Richard Thompson's groups F, T, and V . Rearrangement groups act by piecewise-defined homeomorphisms on many self-similar topological spaces ...
Forrest, Bradley, Belk, James
core +2 more sources
Frontiers in Genetics, 2020 Inverted repeat (IR) regions in the plastomes from land plants induce homologous recombination, generating isomeric plastomes. While the plastomes of Taxaceae species often lose one of the IR regions, considerable isomeric plastomes were created in ...
Yue Zhang +5 more
doaj +1 more source
Rearrangements of Series [PDF]
Proceedings of the American Mathematical Society, 1956 1. G. H. Hardy, Divergent series, Oxford, 1949. 2. K. Knopp and G. G. Lorentz, Beitrdge zur absoluten Limitierung, Archiv der Mathematik vol. 2 (1949) pp. 10-16. 3. D. F. Lawden, The function F2rzn and associated polynomials, Proc. Cambridge Philos. Soc. vol. 47 (1951) pp. 309-314. 4. F. M. Mears, Absolute regularity and the Ndrlund mean, Ann. of Math.
openaire +2 more sources
Brook Rearrangement as Trigger for Dearomatization Reaction: Synthesis of Non-Aromatic N-Heterocycles. [PDF]
, 2023 The [1,2]-Brook rearrangement stands as a potent technique for constructing complex molecules. In this study, we showcase its power in the dearomatization of aromatic N-heterocycles.
Rajarshi , Mondal +3 more
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AgOTf-catalyzed one-pot reactions of 2-alkynylbenzaldoximes with α,β-unsaturated carbonyl compounds
Beilstein Journal of Organic Chemistry, 2013 AgOTf-catalyzed one-pot reactions of 2-alkynylbenzaldoximes with various α,β-unsaturated carbonyl compounds under mild conditions are described, which provides a facile and efficient pathway for the synthesis of 1-alkylated isoquinoline derivatives.
Qiuping Ding +5 more
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Reactions of α-4(20)-epoxy-5-O-mesyltriacetyltaxicine I induced by Bf3·Et2O/Bu4NBr [PDF]
Journal of the Serbian Chemical Society, 2006 The reaction of α-4(20)-epoxy-5-O-mesyltriacetyltaxicine I (2) with BF3·Et2O/Bu4NBr can give rise to 4 different products. Each of these products can be obtained selectively, under the appropriate reaction conditions.
Ferjančić Zorana +3 more
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Transactions of the American Mathematical Society, 2019 How many permutations of the natural numbers are needed so that every conditionally convergent series of real numbers can be rearranged to no longer converge to the same sum? We define the rearrangement number , a new cardinal characteristic of the continuum, as the answer to this question ...
Blass, Andreas +5 more
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Life, 2023 Wild upland rice species, including Oryza granulata, possess unique characteristics that distinguish them from other Oryza species. For instance, O. granulata characteristically has a GG genome and is accordingly classified as a basal lineage of the ...
Fen Zhang, Haiqi Kang, Lizhi Gao
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FEBS Letters, EarlyView.Enteropathogenic E. coli (EPEC) infects the human intestinal epithelium, resulting in severe illness and diarrhoea. In this study, we compared the infection of cancer‐derived cell lines with human organoid‐derived models of the small intestine. We observed a delayed in attachment, inflammation and cell death on primary cells, indicating that host ...
Mastura Neyazi +5 more
wiley +1 more source