| abstract |
$g(b)-phenylisoserine-(2R,3S), salts and preparation thereof through the action of ammonia on $g(b)-phenylglycidic-(2R,3R) acid and its use in the preparation of taxane derivatives of general formula: (I), (R = H, COCH3?; R1? = C6?H5?, (CH3?)3?C-O-). |