Multi-step reaction with 11 steps
1.1: SOCl2; Et3N / CCl4; H2O; acetonitrile
1.2: 81 percent / RuCl2*3(H2O)2; NaIO4 / CCl4; H2O; acetonitrile
2.1: 1.28 g / toluene / Heating
3.1: n-BuLi / tetrahydrofuran; hexane / 0.03 h / -78 °C
3.2: 99 percent / tetrahydrofuran; hexane / 0.5 h
4.1: n-BuLi / tetrahydrofuran; hexane / 0.03 h / -78 °C
4.2: 93 percent / tetrahydrofuran; hexane / 0.5 h
5.1: 100 percent / tetrahydrofuran / 2 h / 20 °C
6.1: tetrahydrofuran / 0.5 h / 20 °C
7.1: 0.4411 g / TBAF / tetrahydrofuran / 0.08 h
8.1: H2 / Pd/BaSO4 / ethyl acetate; pyridine / 0.5 h
8.2: 98 percent / TBAF / tetrahydrofuran
9.1: 100 percent / DMSO; (COCl)2 / CH2Cl2 / 1 h / -78 °C
10.1: 100 percent / CH2Cl2 / 20 °C
11.1: 100 percent / DIBAL / tetrahydrofuran; hexane / -78 - 20 °C
With
n-butyllithium; thionyl chloride; oxalyl dichloride; tetrabutyl ammonium fluoride; hydrogen; diisobutylaluminium hydride; dimethyl sulfoxide; triethylamine;
Pd-BaSO4;
In
tetrahydrofuran; pyridine; tetrachloromethane; hexane; dichloromethane; water; ethyl acetate; toluene; acetonitrile;
1.1: Substitution / 1.2: Oxidation / 2.1: Substitution / 3.1: Metallation / 3.2: Methylation / 4.1: Metallation / 4.2: Alkylation / 5.1: Methylation / 6.1: Addition / 7.1: Substitution / 8.1: Catalytic hydrogenation / 8.2: Decomposition / 9.1: Swern oxidation / 10.1: Wittig olefination / 11.1: Reduction;
DOI:10.1021/ol0001517