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Start Over Author "Emma Barker" Journal chemical communications
2 results on '"Emma Barker"'

1. Aziridination of naphthalene by 3-acetoxyaminoquinazolin-4(3H)-ones

Author

Robert S. Atkinson, Emma Barker, Christopher K. Meades, and Hassan A. Albar

Subjects
Metals and Alloys, General Chemistry, Aziridine, Catalysis, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, chemistry.chemical_compound, chemistry, Product (mathematics), Materials Chemistry, Ceramics and Composites, Organic chemistry, Benzene, Naphthalene
Abstract

Reaction of naphthalene with 3-acetoxyaminoquinazolinones 1, 4 or 8 in the presence of hexamethyldisilazane gives the corresponding mono-aziridine as the major (for 1) or exclusive (for 8) product; on heating in benzene, aziridine 5 acts as an aziridinating agent for alkenes.

Published
1998
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2. N-acetyl-N-acyl-3-aminoquinazolinones as chemoselective acetylating agents

Author

Robert S. Atkinson, Emma Barker, and Michael J. Sutcliffe

Subjects
Steric effects, Primary (chemistry), Chemistry, Materials Chemistry, Metals and Alloys, Ceramics and Composites, Organic chemistry, General Chemistry, Highly selective, Catalysis, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials
Abstract

The title compounds, e.g. 3, are highly selective acetylating agents for primary amines in the presence of secondary amines and, in particular, for the less sterically hindered of two different secondary amines.

Published
1996
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