A. Bardou et al., A NEW DIASTEREOSELECTIVE ROUTE TO 5-SUBSTITUTED-8-METHYLINDOLIZIDINES- SYNTHESIS OF INDOLIZIDINE-(-)-209B, Tetrahedron letters, 39(29), 1998, pp. 5189-5192
The highly diastereoselective synthesis of the indolizidine alkaloid (
-) 209B is described via the diastereoselective alkylation of a chiral
cyclic beta-amino ester prepared from (R)-methylbenzylamine. (C) 1998
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