Multi-step reaction with 9 steps
1: LiAlH4 / diethyl ether
2: 89 percent / N-methylmorpholine / CH2Cl2 / 0.5 h / Ambient temperature
3: 82 percent / Ph3P, DIAD / tetrahydrofuran / 1.) 0 deg C, 1 h, 2.) r.t., 1 h
4: Ac2O, SO2Cl2 / CH2Cl2 / 1 h / -20 - -5 °C
5: 53 percent / N-methylmorpholine / CH2Cl2 / Ambient temperature
6: 85 percent / NaIO4, aq. RuCl3
7: 90 percent / TFA / CH2Cl2 / 0.5 h / Heating
8: HOBt, NMM, DCC / tetrahydrofuran; dimethylformamide / 1.) 0 deg C, 1 h, 2.) r.t., overnight
9: TFA / CH2Cl2 / 0.5 h / Ambient temperature
With
4-methyl-morpholine; ruthenium trichloride; sodium periodate; lithium aluminium tetrahydride; sulfuryl dichloride; di-isopropyl azodicarboxylate; acetic anhydride; benzotriazol-1-ol; dicyclohexyl-carbodiimide; triphenylphosphine; trifluoroacetic acid;
In
tetrahydrofuran; diethyl ether; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1021/jo00121a038