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Chiral epoxides as recoverable auxiliaries in the synthesis of optically active sulpinyl dienophiles

โœ Scribed by Ottorino De Lucchi; Maurizio Buso; Giorgio Modena


Book ID
104227339
Publisher
Elsevier Science
Year
1987
Tongue
French
Weight
229 KB
Volume
28
Category
Article
ISSN
0040-4039

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Carbohydrates as chiral auxiliaries in e
โœ Wei Wang; Yuwu Zhong; Guoqiang Lin ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 526 KB

Using several easily accessed and inexpensive chiral auxiliaries derived from carbohydrates, all four stereoisomers of the optically active a,g-substituted g-butyrolactones were obtained respectively in high enantiomeric purities (up to 96% ee for trans and up to >99% ee for cis) by the SmI 2 -induc