Scheme 3. Derivatization of Allyl γ-Butyrolactone Products.
A. DIBAL-H, CH2Cl2, −78 °C, 30 min. (b). NaH, triethylphosphonoacetate, THF, 0 °C to 23 °C, 3 h. C. LiAlH4, Et2O, reflux, 3 h.
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