Multi-step reaction with 8 steps
1: 81 percent / LiAlH4 / tetrahydrofuran / 4 h / -78 °C
2: 80 percent / Ti(OPr-i)4, (R,R)-(+)-diethyl tartrate, tert-butyl hydroperoxide / CH2Cl2; 2,2,4-trimethyl-pentane / 2 h / -20 °C
3: 84 percent / Ti(OPr-i)4 / CH2Cl2 / 0.25 h / Ambient temperature
4: NaIO4 / tetrahydrofuran; H2O / 2 h / Ambient temperature
5: 88 percent / NaH / benzene / 0.5 h / 0 °C
6: 95 percent / conc. HCl / methanol / 0.08 h
7: 80 percent / Ti(OPr-i)4, (R,R)-(+)-diethyl tartrate, tert-butyl hydroperoxide / CH2Cl2; 2,2,4-trimethyl-pentane / 2 h / -20 °C
8: 87 percent / Ti(OPr-i)4 / CH2Cl2 / 4 h / Ambient temperature
With
titanium(IV) isopropylate; hydrogenchloride; tert.-butylhydroperoxide; sodium periodate; lithium aluminium tetrahydride; diethyl (2R,3R)-tartrate; sodium hydride;
In
tetrahydrofuran; methanol; 2,2,4-trimethylpentane; dichloromethane; water; benzene;
DOI:10.1021/jo9619241