+++Synthesis, 3 статьи

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Помогите, пожалуйста, найти статьи Synthesis :

1. "Construction of Tetrasubstituted Carbon by an Organocatalyst: Cyanation Reaction of Ketones and Ketimines Catalyzed by a Nucleophilic N-Heterocyclic Carbene"
Yoshimasa Fukuda, Kazuhiro Kondo, Toyohiko Aoyama
Synthesis 2006(16): 2649-2652

DOI:

http://dx.doi.org/10.1055/s-2006-942483

2. "Enantioselective Organocatalytic Diels-Alder Reactions"
Pedro Merino, Eugenia Marqués-López, Tomás Tejero, Raquel P. Herrera
Synthesis 2010(1): 1-26

DOI:

http://dx.doi.org/10.1055/s-0029-1217130

3. "Stereoselective Synthesis of Piperidines"
Sabine Laschat, Tim Dickner
Synthesis 2000; 2000(13): 1781-1813

DOI:

http://dx.doi.org/10.1055/s-2000-8218

Заранее спасибо

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