
Chemistry Letters p. 2187 - 2188 (1987)
Update date:2022-08-03
Topics:
Chiba, Toshiyuki
Nakai, Takeshi
A new synthetic route to the PS-5 key precursor is described which involves the fully stereocontrolled transformation of the optically active 2-azetidinone derivative easily obtainable from ethyl (S)-3-hydroxybutanoate.
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