sodium cyanoborohydride in formic acid Yield given;

sodium cyanoborohydride in formic acid Yield given;

triethylamine; triphenylphosphine in quinoline; tetrachloromethane; 1,1-dimethoxy-2-methyl-4-chlorobutane

Multi-step reaction with 3 steps 1: 24 percent / Pd(OAc)2, Ph3P / 15 h / Heating2: <Rh((S)-(6,6'-dimethylbiphenyl,2,2'-diyl)-bis(diphenyldiphosphine)(8,9,10-norbornadiene)>BF4 / tetrahydrofuran / 40 h / 90 °C3: NaBH4 / methanol / 0.25 h / 0 °C