Multi-step reaction with 8 steps
1: 99 percent / conc. sulfuric acid, N-bromosuccinimide / tetrahydrofuran / 1 h / -23 °C
2: 1.) sodium hydride / dimethylformamide / 1.) 25 deg C, 30 min; 2.) 25 deg C, 1 h
3: tri-n-butyltin hydride / AIBN / benzene / 4 h / Heating
4: 1.) borane methyl sulfide 2.) 2 N aq. sodium hydroxide, 30percent aq. hydrogen peroxide / 1.) THF, 25 deg C, 3 h; 2.) THF, 45 deg C, 30 min
5: 83 percent / acetyl chloride / methanol / 2 h / 50 °C
6: sodium bis(2-methoxyethoxy)aluminum hydride / toluene / 3 h / 100 °C
7: tetrahydrofuran / 20 h / 23 °C
8: triphenylphosphine, carbon tetrachloride / CH2Cl2 / 14 h / 23 °C
With
tetrachloromethane; sodium hydroxide; N-Bromosuccinimide; dimethylsulfide borane complex; sulfuric acid; dihydrogen peroxide; tri-n-butyl-tin hydride; sodium hydride; acetyl chloride; triphenylphosphine; sodium bis(2-methoxyethoxy)aluminium dihydride;
2,2'-azobis(isobutyronitrile);
In
tetrahydrofuran; methanol; dichloromethane; N,N-dimethyl-formamide; toluene; benzene;
DOI:10.1021/ja00222a043