1: 60 percent / WCl6, CH3CN, (n-C4H9)4Sn / trichloroethene / 5 h / 80 °C 2: 15 percent Chromat. / BH3; H2O2/NaOH / tetrahydrofuran; bis-(2-methoxy-ethyl) ether View Scheme

sodium hydroxide; borane; dihydrogen peroxide Yield given. Multistep reaction. Title compound not separated from byproducts;