Multi-step reaction with 8 steps
1.1: DIBAL-H / toluene; CH2Cl2 / 0.5 h / -78 °C
1.2: ZnCl2; LiCl / tetrahydrofuran / 0.5 h / 0 °C
1.3: 88 percent / CH2Cl2; toluene; tetrahydrofuran / 2 h / 0 °C
2.1: 100 percent / 2,6-lutidine / CH2Cl2 / 12 h / 20 °C
3.1: O3 / ethyl acetate / 1.33 h / -78 °C
3.2: Me2S / ethyl acetate / -78 - 0 °C
4.1: 2-methyl-2-butene; NaH2PO4*2H2O; NaClO2 / 2-methyl-propan-2-ol; H2O / 15 h / 20 °C
5.1: SOCl2 / 1 h / Heating
6.1: 87.1 percent / 2,6-lutidine / CH2Cl2 / 12 h / 20 °C
7.1: LiOH*2H2O; mercaptoacetic acid / dimethylformamide / 4 h
8.1: (i-Pr)2NEt / CH2Cl2 / 20 °C
With
2,6-dimethylpyridine; lithium hydroxide; sodium chlorite; sodium dihydrogenphosphate; thionyl chloride; 2-methyl-but-2-ene; diisobutylaluminium hydride; ozone; mercaptoacetic acid; N-ethyl-N,N-diisopropylamine;
In
dichloromethane; water; ethyl acetate; N,N-dimethyl-formamide; toluene; tert-butyl alcohol;
DOI:10.1021/jo0606002