Multi-step reaction with 12 steps
1: 96 percent / K3Fe(CN)6; aq. K2CO3; MeSO2NH2 / OsO4; (DHQ)2PHAL / 2-methyl-propan-2-ol; toluene / 24 h / 0 °C
2: 94 percent / TsOH / CH2Cl2 / 20 °C
3: 95 percent / DIBAL-H / CH2Cl2; toluene / 2 h / 0 - 20 °C
4: 89 percent / N-chlorosuccinimide; PPh3 / CH2Cl2 / 3 h / 0 - 20 °C
5: 82 percent / n-BuLi; HMPA / tetrahydrofuran; hexane / -42 - 20 °C
6: 98 percent / imidazole / CH2Cl2 / 0 °C
7: 86 percent / CuI; Et3N / Pd(PPh3)2Cl2 / 6 h
8: 91 percent / K3Fe(CN)6; aq. K2CO3; MeSO2NH2 / OsO4; (DHQ)2PHAL / 2-methyl-propan-2-ol; toluene / 24 h / 0 °C
9: 90 percent / Li; liq. NH3 / tetrahydrofuran / 1 h / -78 °C
10: 92 percent / TsOH / CH2Cl2 / 20 °C
11: IBX / ethyl acetate / 5 h / Heating
12: 174 mg / aq. NaClO2; NaH2PO4 / dimethylsulfoxide / 20 °C
With
1H-imidazole; N,N,N,N,N,N-hexamethylphosphoric triamide; sodium chlorite; sodium dihydrogenphosphate; N-chloro-succinimide; copper(l) iodide; n-butyllithium; methanesulfonamide; ammonia; lithium; diisobutylaluminium hydride; potassium carbonate; toluene-4-sulfonic acid; triethylamine; triphenylphosphine; potassium hexacyanoferrate(III); 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione;
bis-triphenylphosphine-palladium(II) chloride; osmium(VIII) oxide; Hydroquinone 1,4-phthalazinediyl diether;
In
tetrahydrofuran; hexane; dichloromethane; dimethyl sulfoxide; ethyl acetate; toluene; tert-butyl alcohol;
1: Sharpless asymmetric dihydroxylation / 7: Sonogashira coupling / 8: Sharpless asymmetric dihydroxylation / 9: Birch reduction;
DOI:10.1016/j.tet.2007.05.047