Multi-step reaction with 17 steps
1.1: n-BuLi / tetrahydrofuran; hexane / 1 h / -15 °C
1.2: 96 percent / tetrahydrofuran; hexane / 2 h / -15 - 25 °C
2.1: NaH; tetrabutylammonium iodide / tetrahydrofuran / 0 - 20 °C
3.1: 3.573 g / MeOH; p-toluenesulfonic acid / CH2Cl2 / 0 - 20 °C
4.1: 86 percent / NaH / tetrahydrofuran; dimethylformamide / 2.5 h / 0 - 20 °C
5.1: triethylamine / tetrahydrofuran / 1.17 h / -78 - 0 °C
6.1: 303 mg / n-BuLi / tetrahydrofuran; hexane / -78 - 20 °C
7.1: TiCl4; N,N-diisopropylethylamine / CH2Cl2 / 5 h / -78 - -45 °C
7.2: 77 percent / N-methyl-2-pyrrolidinone / CH2Cl2 / 4 h / -78 - -40 °C
8.1: 98 percent / 2,6-lutidine / CH2Cl2 / 0 - 20 °C
9.1: 95 percent / lithium borohydride; MeOH / diethyl ether; tetrahydrofuran / 2 h / 0 °C
10.1: oxalyl chloride; dimethyl sulfoxide; triethylamine / CH2Cl2 / 2.5 h / -78 - 0 °C
11.1: potassium t-butoxide / tetrahydrofuran; toluene / 1 h / 0 °C
11.2: 83 percent / tetrahydrofuran; toluene / 2 h / 0 °C
12.1: [Cl2(PCy3)(IMes)Ru=CHPh] / benzene / 2 h / 80 °C
13.1: 113 mg / p-toluenesulfonic acid; MeOH / benzene; CH2Cl2 / 2 h / 20 °C
14.1: 68 percent / [Cl2(IMes)Ru=CH-o-Oi-PrC6H4] / CH2Cl2 / 17 h / Heating
15.1: 87 percent / tetrabutylammonium fluoride / tetrahydrofuran / 20 °C
16.1: 82 percent / triethylamine / bis(triphenylphosphine)palladium(II) dichloride; copper(I) iodide / 0 - 20 °C
17.1: 77 percent / p-toluenesulfonyl hydrazide; sodium acetate / 1,2-dimethoxy-ethane; H2O / 4 h / Heating
With
2,6-dimethylpyridine; methanol; lithium borohydride; n-butyllithium; oxalyl dichloride; potassium tert-butylate; tetrabutyl ammonium fluoride; sodium acetate; titanium tetrachloride; tetra-(n-butyl)ammonium iodide; sodium hydride; toluene-4-sulfonic acid; dimethyl sulfoxide; triethylamine; N-ethyl-N,N-diisopropylamine; toluene-4-sulfonic acid hydrazide;
bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; [Cl2(IMes)Ru=CH-o-Oi-PrC6H4]; [Cl2(PCy3)(IMes)Ru=CHPh];
In
tetrahydrofuran; 1,2-dimethoxyethane; diethyl ether; hexane; dichloromethane; water; N,N-dimethyl-formamide; toluene; benzene;
10.1: Swern oxidation / 11.2: Wittig reaction / 16.1: Sonogashira coupling;
DOI:10.1021/ol060704z