Results 11 to 20 of about 17,975 (276)

Substituted Aziridines by Lithiation—Electrophile Trapping of Terminal Aziridines. [PDF]

ChemInform, 2005
AbstractFor Abstract see ChemInform Abstract in Full Text.
Hodgson, D, Humphreys, P, Ward, J
openaire   +3 more sources

Production of Bioactive Compounds with Broad Spectrum Bactericidal Action, Bio-Film Inhibition and Antilarval Potential by the Secondary Metabolites of the Endophytic Fungus Cochliobolus sp. APS1 Isolated from the Indian Medicinal Herb Andrographis paniculata

Molecules, 2022
Endophytes, being the co-evolution partners of green host plants, are factories of pharmaceutically valuable novel natural products. Cochliobolus sp. APS1, an endophyte of Andrographis paniculata (Green Chiretta), produces a plethora of natural bioactive
Hiran Kanti Santra, Santanu Maity, Debdulal Banerjee   +2 more
doaj   +1 more source

Microwave Heating Promotes the S-Alkylation of Aziridine Catalyzed by Molecular Sieves: A Post-Synthetic Approach to Lanthionine-Containing Peptides

Molecules, 2021
Aziridine derivatives involved in nucleophilic ring-opening reactions have attracted great interest, since they allow the preparation of biologically active molecules.
Valentina Verdoliva, Giuseppe Digilio, Michele Saviano, Stefania De Luca   +3 more
doaj   +1 more source

Recent Developments in Stereoselective Reactions of Sulfonium Ylides

Organics, 2022
This review describes advances in the literature since the mid-1990s in the area of reactions of sulfonium ylide chemistry, with particular attention paid to stereoselective examples.
Mukulesh Mondal, Sophie Connolly, Shi Chen, Shubhanjan Mitra, Nessan J. Kerrigan   +4 more
doaj   +1 more source

Synthetic Applications of Aziridinium Ions

Molecules, 2021
Nonactivated aziridine with an electron-donating group at the ring nitrogen should be activated to an aziridinium ion prior to being converted to cyclic and acyclic nitrogen-containing molecules.
Jala Ranjith, Hyun-Joon Ha
doaj   +1 more source

Synthesis, structural characterization, antimicrobial and cytotoxic effects of aziridine, 2-aminoethylaziridine and azirine complexes of copper(II) and palladium(II). [PDF]

, 2012
The synthesis, spectroscopic and X-ray structural characterization of copper(II) and palladium(II) complexes with aziridine ligands as 2-dimethylaziridine HNCH2CMe2 (a), the bidentate N-(2-aminoethyl)aziridines C2H4NC2H4NH2 (b) or CH2CMe2NCH2CMe2NH2 (c ...
A. Hauss, Alper, Amarasekera, Atagi, Aw, B. Rozalska, Barnes, Beck, Beck, Beckerath, Beuter, Bobka, Budzisz, Cantrell Jr, Cheikh, Danzer, Dietliker, Dos Santos Filho, Duggan, E. Budzisz, Fritz, Galanski, Hassner, Heck, Herberhold, Höfer, I.-P. Lorenz, Ihata, Iyengar, Iyengar, Izumi, J. N. Roedel, Jackson, Jackson, Katzenellenbogen, Kho, Kojima, Lefemine, Leung, Leung, Liu, Lorenz, Lorenz, Lorenz, Lorenz, M. Rozalski, M. Więckowska-Szakiel, Maanen, McLachlan, Milstein, Mitzel, Noll, Palom, Paz, Peng, Porta, Putzien, R. Bobka, Rajski, Roedel, Roedel, Root, S. Wirth, Schold Jr., Sheldrick, Singh, Singh, Sosnovsky, Sweeney, Trost, U. Krajewska, Ukraintsev, Ukraintsev, Ware, Ware, Ware, Watson, Wilberger, Wilberger, Wild, Yadav, Yokoi   +81 more
core   +1 more source

Aziridine Carboxylates, Carboxamides and Lactones: New Methods for Their Preparation and Their Transformation into α- and β-Amino Acid Derivatives

Molecules, 2000
The preparation of a variety of novel aziridine-γ-lactones (3) from carbohydrates is described. In contrast to aziridine-2-carboxylates, the lactones react regiospecifically at C-2 with soft nucleophiles to provide optically pure substituted β ...
Robert H. Dodd
doaj   +1 more source

Coupling of 1-alkyl-2-(bromomethyl)aziridines with heteroatom-centered nucleophiles towards 2-[(heteroatom)methyl]aziridines [PDF]

, 2007
The reactivity of 1-alkyl-2-(bromomethyl)aziridines with respect to different types of oxygen-, nitrogen- and sulphur-centered nucleophiles has been evaluated, pointing to the conclusion that these substrates can be applied successfully as synthetic ...
D'hooghe, Matthias, De Kimpe, Norbert
core   +2 more sources

[(2R,3R)-3-(4-Nitrophenyl)aziridin-2-yl]methanol monohydrate

Acta Crystallographica Section E, 2013
The title monohydrate, C9H10N2O3·H2O, contains an aziridine ring including two contiguous stereocenters, both of which exhibit an R configuration. The methylhydroxy and nitrophenyl groups are cis-disposed about the aziridine ring.
V. Gaumet, C. Denis, F. Leal, M. Madesclaire, V.P. Zaitsev   +4 more
doaj   +1 more source

(2S)-2-[(2S*,5R*,6R*)-5,6-Dimethoxy-5,6-dimethyl-1,4-dioxan-2-yl]-1-[(S)-1,1-dimethylethylsulfonyl]aziridine

Acta Crystallographica Section E, 2010
The reaction of a sulfur ylide with a chiral non-racemic sulfinyl imine afforded the desired aziridine in excellent yield and subsequent oxidation of the sulfinyl moiety dissolved in anhydrous dichloromethane using a 75% aqueous solution of 3 ...
David C. Forbes, Sampada V. Bettigeri, William Lewis, Toni Moragas Solà, Robert A. Stockman   +4 more
doaj   +1 more source