1: 1) BuLi / 1) THF, -78 deg C, 2) THF, r. t. 2: 1) Raney nickel, 2) H2 / 1) DME, ice-cooling, 2) Pd/C, DME,H2O, ethyldiisopropylamine, 4 atm, 20 h View Scheme

1: 1) BuLi /hexane / 1) THF, -78 deg C, 20 min, 2) THF, r. t. 2: 1) Raney nickel, 2) H2, Pd/C / 1) 1,2-dimethoxyethane, ice-cooling, 2) acetic acid/water View Scheme