Autor: |
D. Vaughan Griffiths, J. Erik W. Scheuermann, Gennadiy Ilyashenko, Michael Watkinson |
Rok vydání: |
2002 |
Předmět: |
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Zdroj: |
Tetrahedron: Asymmetry. 13:269-272 |
ISSN: |
0957-4166 |
DOI: |
10.1016/s0957-4166(02)00102-7 |
Popis: |
An efficient methodology has been developed for the synthesis of a series of new diamine 2 and triamine ligands 3 for application in asymmetric catalysis via selective single or double ring-opening of tosylaziridines 1, which are derived from chiral pool amino acids. The selectivity of the ring-opening reaction is readily controlled by the solvent employed. Thus, in acetonitrile formation of secondary amines 2 occurs via a single ring-opening step, whilst in methanol the reactions proceed to give the tertiary amines 3 via the ring-opening of two aziridine molecules. |
Databáze: |
OpenAIRE |
Externí odkaz: |
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