(-)-Methyl Cucurbate and (-)-Methyl Jasmonate by Kinetic Resolution
Autor: | Claudia Borm, Ekkehard Winterfeldt |
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Rok vydání: | 2006 |
Předmět: | |
Zdroj: | Liebigs Annalen. 1996:1209-1212 |
ISSN: | 1099-0690 0947-3440 |
Popis: | The kinetic resolution of a malonate-substituted cyclopentenone gave rise to the formation of an enantiopure Diels-Alder adduct which was converted into methyl dehydrocucurbate 2 by diastereoselective alkylation with (Z)-1-bromo-2-pentene and subsequent borohydride reduction. Selective hydrogenation of 2 with a palladium/calcium carbonate catalyst proved to be a reliable route to (–)-methyl cucurbate (1) the oxidation of which with pyridinium chlorochromate and subsequent treatment with acid afforded (–)-methyl jasmonate (9). |
Databáze: | OpenAIRE |
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