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Synthesis of (−)-deoxynupharidine by allenic hydroxylamine cyclisation
Published 2015“…Significant steps include the optimised enzymatic resolution of an allenic alcohol, highly diastereoselective silver-catalysed cyclisation of an allenic hydroxylamine, selective cross-metathesis, diastereoselective intramolecular reductive amination, and stereoelectronically controlled enolate alkylation.…”
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Synthesis of allenes by 1,2-elimination
Published 2019“…Allenes represent an extremely important class of organic molecules, which, as a result of their twisted orthogonal π-systems can possess axial chirality. …”
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Eén voor allen, allen voor één? De global civil society en de oorlog in Bosnië
Published 1999-12-01Get full text
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The Global Attractor of the Allen-Cahn Equation on the Sphere
Published 2020-06-01“…In this paper we study the attractor of a parabolic semiflow generated by a singularly perturbed PDE with a non-linear term given by a bistable potential, in an oval surface; the Allen-Cahn equation being a prototypical example. …”
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Available methods for the conversion of dichloropropane to allene and methylacetylene
Published 2023-01-01“…The nature of the formation of allene and methylacetylene during the dehydrochlorination of 1,2-dichloropropane and intermediate products (1-chloropropene-1, 2-chloropropene-1, 2-chloropropane, and 3-chloropropene-1) on γ-Al2O3, CaX and expanded clay made it possible to establish that the main source of allene formation on CaX and expanded clay is 2-chloropropene-1, and methylacetylene - 1-chloropropene-1, and on γ -Al2O3, allene formation appears mainly from 2-chloropropane, methylacetylene - from 2-chloroprene. …”
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Realistyczny musical? Allen – Resnais – von Trier
Published 2011-12-01Subjects: Get full text
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The ‘unreel’ in Woody Allen’s <i>Zelig</i>
Published 1992-05-01“…By presenting Zelig (1983) in the form of a historical documentary using archival film footage, film - director Woody Allen breaks down the conventional distinction between documentary and fiction film. …”
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Complementarity in Allen’s and Bergmann’s rules among birds
Published 2023-07-01“…Abstract Biologists have long noted that endotherms tend to have larger bodies (Bergmann’s rule) and shorter appendages (Allen’s rule) in colder environments. Nevertheless, many taxonomic groups appear not to conform to these ‘rules’, and general explanations for these frequent exceptions are currently lacking. …”
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Gold-catalyzed intermolecular hydroamination of allenes with sulfonamides
Published 2013-05-01Subjects: “…allene…”
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Horspool, Cromwell: The Protector (Allen Lane, 2017)
Published 2018-12-01“…Review of David Horspool, <em>Cromwell: The Protector</em> (London: Allen Lane, 2017).…”
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Die Schaffung gleichwertiger Lebensbedingungen in allen Teilräumen
Published 2005-01-01Get full text
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Reactivity of Allenes towards Iron Carbonyl Complexes
Published 1994-09-01“… A series of monosubstituted allenes was reacted with Fe2(CO)9 to give dinuclear iron-carbonyl complexes containing organic ligands derived either from monomeric or dimerized allene. …”
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Nickel-catalyzed acylzincation of allenes with organozincs and CO
Published 2023-10-01“…Mechanistic studies reveal that the installation of a cyano group tethered to allene moiety enables the high regio- and stereoselectivity of this acylzincation of allene, allowing the selective formation of three consecutive C-C bonds in a highly efficient manner.…”
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