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Stereoselective multigram-scale synthesis of cis- and trans-β-phenylproline derivatives

✍ Scribed by Isabel Rodríguez; M. Isabel Calaza; Ana I. Jiménez; Carlos Cativiela

Book ID
119375791
Publisher
Elsevier Science
Year
2012
Tongue
French
Weight
308 KB
Volume
68
Category
Article
ISSN
0040-4020

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Epoxidation of a series of poly-oxygenated chalcones with H202 in the presence of poly-ctaminoacids yielded chiral aromatic oxygenated oxiranes in moderate to high optical yields. Lewis acid-catalysed phenylmethanethiol ringopening of the epoxide functionality and subsequent formation of the pyranon