Multi-step reaction with 9 steps
1.1: 84 percent / tris(3-chlorophenyl)phosphine; DIAD / toluene / 3 h / 23 °C
2.1: 91 percent / iPr2NEt; tetrabutylammonium iodide / dimethylformamide / 4 h / 80 °C
3.1: LDA / tetrahydrofuran / 0.08 h / -78 °C
3.2: 81 percent / tetrahydrofuran / 0.08 h / -78 °C
4.1: 94 percent / PhCH=Ru{[(MeS)NCH2CH2N(MeS)]}(PCy3)Cl2 / toluene / 0.17 h / 120 °C
5.1: aq. H2O2 / toluene / 3 h
6.1: toluene / 1 h / 80 °C
7.1: 68 percent / SO2Cl2 / diethyl ether / 1.5 h / 0 °C
8.1: 74 percent / aq. HCl / dioxane / 1 h / 0 - 23 °C
9.1: 86 percent / K2CO3 / dimethylformamide / 1 h / 23 °C
With
hydrogenchloride; sulfuryl dichloride; di-isopropyl azodicarboxylate; tri(m-chlorophenyl)-phosphine; dihydrogen peroxide; tetra-(n-butyl)ammonium iodide; potassium carbonate; N-ethyl-N,N-diisopropylamine; lithium diisopropyl amide;
tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride;
In
tetrahydrofuran; 1,4-dioxane; diethyl ether; N,N-dimethyl-formamide; toluene;
1.1: Mitsunobu esterification;
DOI:10.1002/chem.200500160