Z-Stereoselective semi-reduction of alkynes: modification of the Boland protocol
13 May 2013 Publication year: 2013Source:Tetrahedron, Volume 69, Issue 19 Highly Z-selective semi-reduction of alkynes has been achieved by adding TMSCl to a mixture of Zn(Cu/Ag), water, and methanol....
View ArticleRegioselective synthesis of imidazo[1,2-a][1,3,5]triazines and...
13 May 2013 Publication year: 2013Source:Tetrahedron, Volume 69, Issue 19 An efficient and practical procedure was developed to prepare novel imidazo[1,2-a][1,3,5]triazines and...
View ArticleFacile, diastereoselective synthesis of functionally enriched...
13 May 2013 Publication year: 2013Source:Tetrahedron, Volume 69, Issue 19 We describe herein the synthetic utility of β-lactam synthon protocol for the convenient and diastereoselective synthesis of...
View ArticleDevelopment of simple firefly luciferin analogs emitting blue, green, red,...
13 May 2013 Publication year: 2013Source:Tetrahedron, Volume 69, Issue 19 Simple firefly luciferin analogs emitting blue, green, and red light were developed. The longest emission maximum was observed...
View ArticleFirst asymmetric total synthesis of (+)-taiwaniaquinol D and...
13 May 2013 Publication year: 2013Source:Tetrahedron, Volume 69, Issue 19 The first asymmetric total synthesis of (+)-taiwaniaquinol D and (−)-taiwaniaquinone D isolated from Taiwania cryptomerioides...
View ArticleNMR studies on the structure of a lithium amide–chiral diether complex for an...
13 May 2013 Publication year: 2013Source:Tetrahedron, Volume 69, Issue 19 The combination of a chiral diether ligand and a lithium benzyl(trimethylsilyl)amide is a powerful lithium amide reagent for...
View ArticleBase and solvent mediated decomposition of tosylhydrazones: highly selective...
13 May 2013 Publication year: 2013Source:Tetrahedron, Volume 69, Issue 19 Base and solvent mediated decomposition of tosylhydrazones was studied. It was found that reaction of tosylhydrazones in CH3NO2...
View ArticleOne-pot synthesis of 5-oxopyrrolidine-2-carboxamides via a tandem Ugi 4CC/SN...
13 May 2013 Publication year: 2013Source:Tetrahedron, Volume 69, Issue 19 A one-pot base-mediated synthesis of 5-oxopyrrolidine-2-carboxamides was developed. The reaction of Baylis–Hillman bromides 1,...
View ArticleA stereocontrolled route to d-ribo-phytosphingosine and sphinganine from an...
13 May 2013 Publication year: 2013Source:Tetrahedron, Volume 69, Issue 19 A facile and efficient enantioselective route for the synthesis of d-ribo-phytosphingosine (1a) and sphinganine (1b) has been...
View ArticleFormal [4+1] cycloaddition of camphor-derived sulfonium salts with aldimines:...
13 May 2013 Publication year: 2013Source:Tetrahedron, Volume 69, Issue 19 An asymmetric formal [4+1] cycloaddition of camphor-derived sulfonium salts with aldimines has been described. The reaction...
View ArticleSynthesis of pyrrole-2,3,4,5-tetracarboxylates via a copper-catalyzed...
13 May 2013 Publication year: 2013Source:Tetrahedron, Volume 69, Issue 19 A copper-catalyzed reaction of amine with but-2-ynedioate gives rise to pyrrole-2,3,4,5-tetracarboxylates in moderate to good...
View ArticleSynthesis of 2- and 3-trifluoromethylmorpholines: useful building blocks for...
13 May 2013 Publication year: 2013Source:Tetrahedron, Volume 69, Issue 19 2- and 3-Trifluoromethylmorpholines were prepared in racemic and optically active forms. The synthesis commenced from the...
View ArticlePaternò–Büchi reaction versus hydrogen abstraction in the photochemical...
13 May 2013 Publication year: 2013Source:Tetrahedron, Volume 69, Issue 19 The photochemical reaction between some alkenyl boronates and benzophenone is described. While a pinacol alkenyl boronate...
View ArticleThe indium-catalysed hydration of alkynes using substoichiometric amounts of...
13 May 2013 Publication year: 2013Source:Tetrahedron, Volume 69, Issue 19 A general, efficient and highly regioselective protocol using an indium(III) trifluoromethanesulfonate and PTSA (TsOH·H2O)...
View ArticleTandem Michael–Dieckmann/Claisen reaction of ortho-toluates—the...
13 May 2013 Publication year: 2013Source:Tetrahedron, Volume 69, Issue 19 Graphical abstract
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13 May 2013 Publication year: 2013Source:Tetrahedron, Volume 69, Issue 19
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13 May 2013 Publication year: 2013Source:Tetrahedron, Volume 69, Issue 19
View ArticleHeterocyclic mesomeric betaines: the recognition of five classes and nine...
Publication date: 20 May 2013Source:Tetrahedron, Volume 69, Issue 20 The relationship between heterocyclic mesomeric betaines (HMBs) isoconjugate with hydrocarbon dianions and pairs of alternant...
View ArticleWalsogynes B–G, limonoids from Walsura chrysogyne
Publication date: 20 May 2013Source:Tetrahedron, Volume 69, Issue 20 Six new limonoids, Walsogynes B (1)–G (6), were isolated from the barks of Walsura chrysogyne, and their structures were determined...
View ArticleNovel method for construction of tetrahydro-1-benzazepine and...
Publication date: 20 May 2013Source:Tetrahedron, Volume 69, Issue 20 The 7-endo Friedel–Crafts cyclization of vinyloxiranes, which have a nitrogen atom at the linker between the aromatic ring and the...
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