Multi-step reaction with 12 steps
1.1: 87 percent / H2O / CH2Cl2 / 20 °C / Irradiation
2.1: 77 percent / toluene / Heating
3.1: 98 percent / TBAF / tetrahydrofuran
4.1: aq. NaIO4 / tetrahydrofuran
5.1: NaBH4 / CH2Cl2; methanol
6.1: imidazole / toluene
7.1: LiHMDS / tetrahydrofuran / -78 °C
7.2: 92 percent / tetrahydrofuran
8.1: 80 percent / H2 / Pd/BaSO4 / ethyl acetate / 4137.18 Torr
9.1: 88 percent / L-selectride / tetrahydrofuran / -78 - 20 °C
10.1: 2,6-lutidine / CH2Cl2
11.1: LiBr / tetrahydrofuran / 20 °C
12.1: nBuLi / tetrahydrofuran / -78 °C
12.2: 97 percent / tetrahydrofuran / -78 - 20 °C
With
1H-imidazole; 2,6-dimethylpyridine; sodium tetrahydroborate; sodium periodate; n-butyllithium; tetrabutyl ammonium fluoride; water; hydrogen; L-Selectride; lithium bromide; lithium hexamethyldisilazane;
Pd-BaSO4;
In
tetrahydrofuran; methanol; dichloromethane; ethyl acetate; toluene;
DOI:10.1002/1521-3773(20001215)39:24<4612::AID-ANIE4612>3.0.CO;2-C