Reagents
and conditions: (a)
NaH, bromoacetonitrile, DMF, 75%; (b) lithium aluminum hydride (LAH),
tetrahydrofuran (THF), 32–57%; (c) cinnamic acid drivative
(4), 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide
hydrochloride (EDCI), dimethylaminopyridine (DMAP), CH2Cl2, 75–80%.