Author: "Lewinski, Krzysztof A." / Topic: amino acids - Searchworks@Jio Institute Digital Library Search Results

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Start Over Author "Lewinski, Krzysztof A." Topic amino acids

Author: Jakob, Clarissa G. and Lewinski, Krzysztof
Subjects: *PSEUDOMONAS, *AMINO acids, *CONFORMATIONAL analysis
Abstract: Describes the crystal structure of Pseudomonas 7A glutaminase-asparaginase (PGA) solved at 1.7 A resolution by the molecular replacement method. Experimental procedure; Protometer structure; Electron density; pH.
Published: 1997
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Author: Bouet, Alexis, Cieslikiewicz, Monika, Lewinski, Krzysztof, Coudert, Gérard, and Gillaizeau, Isabelle
Subjects: *CARBAMATES, *ORGANIC synthesis, *PHOSPHINE, *AMINO acids, *CARBON, *NUCLEOPHILIC reactions, *CARBONYL compounds
Abstract: Abstract: A novel and efficient approach for the synthesis of phosphine-containing α-amino acids bearing quaternary carbon is described. The key step involves the original nucleophilic addition of lithiated phosphines onto acyclic ene-carbamates concomitant with a spontaneous internal (N→C) alkyloxycarbonyl migration. [Copyright &y& Elsevier]
Published: 2010
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