Results 161 to 170 of about 5,649 (226)

Mechanistic Study of the Carbonylation of Aziridines to β-Lactams: Alkylation, Solvent and Molecular NaBr and MgO Clusters Catalysts Effects. [PDF]

J Comput Chem
Jendoubi A, Zouaghi MO, Arfaoui Y, Guégan F, Al-Mogren MM, Hochlaf M.   +5 more
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Comparative Nitrene-Transfer Chemistry to Olefins Mediated by First-Row Transition Metal Catalysts Supported by a Pyridinophane Macrocycle with N4 Ligation. [PDF]

Molecules
Bhatia H, Adams LP, Cordsiemon I, Sahoo SK, Choudhury A, Cundari TR, Stavropoulos P.   +6 more
europepmc   +1 more source

Metal-Free Aziridination of Unactivated Olefins via Transient N-Pyridinium Iminoiodinanes. [PDF]

JACS Au
Tan H, Thai P, Sengupta U, Deavenport IR, Kucifer CM, Powers DC.   +5 more
europepmc   +1 more source

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Formation of Scalemic Aziridines via the Nucleophilic Opening of Aziridines

The Journal of Organic Chemistry, 1997
Introduction As part of our work in the preparation of aziridineallylsilanes1 we had need of a method for the preparation of simple monosubstituted, scalemic aziridines such as 1. The preparation of scalemic aziridines has been well covered in a number of reviews.2 Two methods seemed particularly well suited for the preparation of the types of ...
Stephen C., Bergmeier, Punit P., Seth
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A Sulfonyl-Substituted Aziridine

Acta Crystallographica Section C Crystal Structure Communications, 1996
In the title compd., 1-p-toluenesulfonylaziridine-(2S)-carboxylic acid tert-Bu ester, C14H19NO4S, the p-toluenesulfonyl substituent on the N atom and the ester substituent on one C atom of the aziridine ring are mutually trans, minimizing steric interactions.
Clegg, William, Heath, Sarah L; id_orcid 0000-0002-8342-3732, Horsburgh, Lynne, Jackson, Richard F W, Wood, Anthony   +4 more
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N‐Arylation of Aziridines.

ChemInform, 2003
AbstractFor Abstract see ChemInform Abstract in Full Text.
Mikio, Sasaki, Shadi, Dalili, Andrei K, Yudin   +2 more
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Catalyst-free aziridination and unexpected homologation of aziridines from imines

Organic & Biomolecular Chemistry, 2010
Aziridination and unpredicted homologation reaction of N-sulfonylimines were achieved easily with a very simple, rapid and mild procedure through the use of diazomethane without the presence of any catalyst. The method represents an attractive alternative to metal-catalyzed processes.
Paula Sério, Branco, Vivek Prabhakar, Raje, Jorge, Dourado, Joana, Gordo   +3 more
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Organocatalytic Asymmetric Aziridination of Enones

Angewandte Chemie International Edition, 2008
A primary amine derived from cinchona alkaloids as a salt with d-N-Boc phenylglycine (Boc = tert-butoxycarbonyl) is an efficient catalyst for the aziridination of α,β-unsaturated ketones. This method is effective with both linear and cyclic substrates, leading to chiral aziridines in high yield, with complete diastereoselectivity, and with very high ...
PESCIAIOLI, FABIO, DE VINCENTIIS, FRANCESCO, GALZERANO, PATRIZIA, BENCIVENNI, GIORGIO, BARTOLI, GIUSEPPE, MAZZANTI, ANDREA, MELCHIORRE, PAOLO   +6 more
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An Amine‐Promoted Aziridination of Chalcones.

ChemInform, 2006
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Yu-Mei, Shen, Mei-Xin, Zhao, Jiaxi, Xu, Yian, Shi   +3 more
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Chemistry of Carbohydrate Aziridines

2006
Publisher Summary This chapter discusses the chemistry of carbohydrate aziridines, with emphasis being placed on surveying preparative methods and ring-opening reactions. Carbohydrate aziridines or epimines are derivatives in which an aziridine ring is fused to a pyranose or furanose ring or to an exocyclic part of a carbohydrate molecule.
Jindrich, Karban, Jirí, Kroutil
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