Multi-step reaction with 13 steps
1: 88 percent / baker's yeast / H2O
2: 98 percent / Huenig base / CHCl3 / Heating
3: 96 percent / Super-Hydride / tetrahydrofuran / 0 °C
4: 95 percent / n-Bu3P, pyridine
5: 95 percent / Raney Ni (W-4) / ethanol
6: conc. HCl / methanol
7: 96 percent / NaH / dimethylformamide; benzene
8: conc. HCl / methanol / Heating
9: PCC, AcONa / CH2Cl2
10: 79 percent / KOH, MS 4A / tetrahydrofuran
11: 94 percent / Lawesson's reagent / tetrahydrofuran / Heating
12: 92 percent / PPh3, Et3N / acetonitrile / Heating
13: 53 percent / NaBH3CN, TFA / CH2Cl2 / 0 °C
With
Lawessons reagent; pyridine; hydrogenchloride; potassium hydroxide; baker's yeast; tributylphosphine; Raney Ni (W-4); sodium acetate; sodium hydride; lithium triethylborohydride; sodium cyanoborohydride; triethylamine; N-ethyl-N,N-diisopropylamine; triphenylphosphine; pyridinium chlorochromate; trifluoroacetic acid;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; chloroform; water; N,N-dimethyl-formamide; acetonitrile; benzene;
DOI:10.1021/jo990397t