Multi-step reaction with 8 steps
1: 100 percent / K2CO3, KI / acetonitrile / 12 h / Heating
2: Ac2O, HNO3 / 1.) 0 deg C, 2 h, 2.) 25 deg C, 2 h
3: NaBH4 / ethanol / 4 h / 0 °C
4: 88 percent / CBr4, PPh3 / ethyl acetate / 1 h / 25 °C
5: 43 percent / Bu4NOH, NaI, NaOH, H2O / CHCl3 / 23 h / 25 °C
6: HNEt2 / Pd(PPh3)4 / tetrahydrofuran / 2.5 h / 25 °C
7: NEt3, DMAP / tetrahydrofuran; dimethylformamide / 6 h / 25 °C
8: 100 percent / TBAF / tetrahydrofuran / 0.75 h / 25 °C
With
dmap; sodium hydroxide; sodium tetrahydroborate; carbon tetrabromide; tetrabutyl ammonium fluoride; tetra(n-butyl)ammonium hydroxide; water; nitric acid; acetic anhydride; potassium carbonate; diethylamine; triethylamine; triphenylphosphine; potassium iodide; sodium iodide;
tetrakis(triphenylphosphine) palladium(0);
In
tetrahydrofuran; ethanol; chloroform; ethyl acetate; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1002/(SICI)1521-3765(19990301)5:3<951::AID-CHEM951>3.0.CO;2-G