Multi-step reaction with 15 steps
1: 1) Bu2SnO / 1) benzene, reflux, 2) CH3CN, reflux
2: 90 percent / pyridine / Ambient temperature
3: 90 percent / F3CCO2H / methanol; H2O / Heating
4: 95 percent / pyridine / 3 - 5 °C
5: 1) NaI, 2) Zn, AcOH / 1) EtCOMe, reflux, 2) ether, rt
6: 90 percent / NaN3 / dimethylformamide / Heating
7: SnCl2, Et3N / various solvent(s)
8: NaHCO3
9: 1) F3CCO2H, Ac2O, 2) NaOH, H2O2 / 2) MeOH
10: NaBH4 / ethanol
11: KH / benzene
12: collidine
13: aq. HF / acetonitrile
14: 95 percent / CrO3, pyridine
15: TiCl4
With
pyridine; chromium(VI) oxide; 2,3,5-trimethyl-pyridine; sodium hydroxide; sodium tetrahydroborate; sodium azide; hydrogen fluoride; dihydrogen peroxide; acetic anhydride; titanium tetrachloride; potassium hydride; di(n-butyl)tin oxide; sodium hydrogencarbonate; acetic acid; triethylamine; trifluoroacetic acid; sodium iodide; tin(ll) chloride; zinc;
In
methanol; ethanol; water; N,N-dimethyl-formamide; acetonitrile; benzene;
DOI:10.1016/0040-4039(93)85088-E