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Chiral γ-lactones from Fusarium poae

✍ Scribed by Elisabeth Guichard; Armin Mosandl; Angelika Hollnagel; Alain Latrasse; Robert Henry

Book ID
112495615
Publisher
Springer
Year
1991
Tongue
English
Weight
623 KB
Volume
193
Category
Article
ISSN
0044-3026

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When lithium enolates generated from five chiral c,Y-disubstituted Y-lactones are treated with proton sources, formation of the u,Y-syn epimers always predominates over the a,Y-anti epimers in ratios of 10.2-2.9:l. Higher syn/anti ratios are obtained via silyl enolates in some cases. Chirality discr