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Field validation of gap-type overhead conductor creep
(Elsevier, 2018-09-11)Gap-type overhead conductor sag-tension calculations based on experimental conductor creep tests are based on stress-strain and metallurgical creep tests. Although for bi-metallic conductors, these tests are carried out ... -
Kinetic Resolution of Secondary Allyl Boronates and Their Application in the Synthesis of Homoallylic Amines
(Wiley-VCH, 2018-09-02)Highly enantioenriched, chromatographically-stable secondary allyl boronates featuring a 1,1,2,2-tetraethyl-1,2-ethanediol fragment (Epin) were obtained by kinetic resolution of their racemic mixtures. The Epin group at ... -
Carboxylates as Nucleophiles in the Enantioselective Ring-Opening of Formylcyclopropanes under IminiumIon Catalysis
(Wiley-VCH, 2018-04-12)In this work, carboxylic acids, which are typically regarded as poor nucleophiles, are demonstrated to be competent reagents to promote the ring-opening of formylcyclopropanes after activation of the latter through iminium ... -
Ion-pairing catalysis in the enantioselective addition of hydrazones to N-acyldihydropyrrole derivatives
(Royal Society of Chemistry, 2018-07-16)We have demonstrated that dihydropyrrole-based enamide derivatives can act as efficient precursors of chiral quaternary N-acyliminium salts under Brønsted acid catalysis that undergo reactions with hydrazones, the latter ...