Synthesis of unsaturated lactone moieties by asymmetric hetero Diels–Alder reactions with binaphthol-titanium complexes
Autor: | Markus Kalesse, Ulhas Bhatt, Monika Quitschalle, Mathias Christmann |
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Rok vydání: | 2001 |
Předmět: | |
Zdroj: | Tetrahedron Letters. 42:1263-1265 |
ISSN: | 0040-4039 |
Popis: | Natural products like ratjadone and callystatin A contain an α,β-unsaturated lactone moiety which adds to the biological activity of these compounds. Here we report a rapid and practical access to lactone precursor 3 by an asymmetric hetero Diels–Alder reaction as the key step and its subsequent transformation into a suitable building block 4. |
Databáze: | OpenAIRE |
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