10% Pd/C, H2, EtOH
NaOMe, MeOH, Reflux, 5 Days
LiBH4, EtOH
DIBAL-H, Toulene
HCCMgBr, THF
X
a, b, c
d, e
Please see the attached "Word" file for structural information.
Suggest a synthetic route to intermediate X given the reagents and conditions in the attachment. For step b-e provide a detailed mechanism.