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Your search keyword '"Oxacephem"' showing total 2 results
Start Over Descriptor "Oxacephem" Publisher royal society of chemistry (rsc)
2 results on '"Oxacephem"'

1. Nucleophilic displacement of 7α-methoxy-7β-amino-1-oxacephem derivatives: synthesis of 7α-substituted 1-oxacephem antibiotics

Author

Yuji Sendo and Mitsuru Yoshioka

Subjects
chemistry.chemical_compound, Nucleophile, chemistry, Stereochemistry, Molecular Medicine, Displacement (orthopedic surgery), Oxacephem
Abstract

Acid-catalysed displacement of 7α-methoxy-7β-amino-l-oxacephem (1) with nucleophiles gave the 7α-substituted-7β-amino compounds (5–8), which were converted into the antibiotics (13–16).

Published
1980
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2. An enantioselective synthesis of 2-isocephem and 2-iso-oxacephem nuclei

Author

Hajime Nitta, Toshiyasu Ishimaru, and Minoru Hatanaka

Subjects
chemistry.chemical_classification, genetic structures, endocrine system diseases, Bicyclic molecule, Stereochemistry, Acetal, Enantioselective synthesis, nutritional and metabolic diseases, eye diseases, chemistry.chemical_compound, Dicarboxylic acid, chemistry, Aspartic acid, Lactam, Molecular Medicine, Ugi reaction, Organic chemistry, hormones, hormone substitutes, and hormone antagonists, Oxacephem
Abstract

A stereocontrolled synthesis of optically active 2-isocephem and 2-iso-oxacephem nuclei is described starting from L-aspartic acid.

Published
1987
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