Zobrazeno 1 - 10
of 138
pro vyhledávání: '"Diisopropyl azodicarboxylate"'
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 151:853-860
A one-pot synthesis of spiro-heterocyclic systems containing a 1,2,4-triazolidine moiety via 1,3-dipolar cycloaddition reaction of azomethine ylides (generated in situ from α-amino acids and ninhydrin) with diisopropyl azodicarboxylate in 50% aqueou
Publikováno v:
Synlett. 31:65-68
A nickel(0)-catalyzed intermolecular [3+2] cycloaddition of bis(alkylidenecyclopropanes) with diazenes such as diethyl or diisopropyl azodicarboxylate gave pyrazolidine-1,2-dicarboxylates in moderate to good yields (61–72%).
Akademický článek
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Autor:
Ashraf A. Aly, Martin Nieger, Stefan Bräse, Nasr K. Mohamed, Amal S. Abd El-Aal, Mohamed I. Ramadan, Alaa A. Hassan, Alan B. Brown
Publikováno v:
Molecular Diversity. 23:195-203
A general method for the synthesis of 1,3,5-trisubstituted 1,2,4-triazoles has been developed from reaction of amidrazones with ethyl azodicarboxylate and triethylamine (Mitsunobu reagent) in EtOH. This highly regioselective one-pot process provides
Autor:
Girish Basavaraju, Ravishankar Rajanna
Publikováno v:
Journal of Chemical Sciences. 132
The developments around flow processing technology have paved the way for new avenues and perspectives to consider in the field of organic chemistry and engineering. In this study, customized flow equipment was utilized to develop and optimize the Mi
Publikováno v:
The Journal of Organic Chemistry. 83:5698-5706
A traceless directing group assisted Co-catalyzed C(sp2)–H carbonylation of ortho-arylanilines for the synthesis of free (NH)-phenanthridinones in metal-based-oxidant-free fashion was accomplished. This protocol employs diisopropyl azodicarboxylate
Publikováno v:
New Journal of Chemistry. 42:18844-18849
Organocatalysis and photoorganocatalysis are two areas of synthetic methodology that have found wide applications in organic synthesis. Herein, we report a combination of these two stategies, taking advantage of an organocatalytic Michael addition of
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Publikováno v:
Tetrahedron. 94:132314
In this study, we attempted to carry out the Mitsunobu 1,4-elimination using the kojic acid analog 3, which carries a hydroxymethyl group on C-6 introduced by aldol condensation, to obtain an effective Michael acceptor 4. To the ethyl acetate solutio
Publikováno v:
Tetrahedron Letters. 58:1727-1732
Selective dehydrogenation of 2-amino-3-cyano 4H-chromenes to the corresponding 2-iminochromenes mediated by diisopropyl azodicarboxylate under neutral conditions is reported. The dehydrogenation reaction is compatible with phenolic hydroxyl group and