Multi-step reaction with 7 steps
1: 1.) NaH / 1.) THF, -20 deg C, 5 min, 2.) THF, from 55 to 60 deg C, 2 d
2: 98 percent / LiAlH4 / tetrahydrofuran; diethyl ether / 0.5 h / Ambient temperature
3: 81 percent / Et3N, DMAP / CH2Cl2 / 48 h / Ambient temperature
4: 52 percent / sodium bis(trimethylsilyl)amide / dioxane / 16 h / Heating
5: 1.) O3, 2.) dimethyl sulfide, Et3N / 1.) CH2Cl2, -78 deg C, 1 h, 2.) CH2Cl2, from -78 deg C to 0 deg C, 70 min
6: 2-methyl-2-butene, NaH2PO4*H2O, NaClO2 / 2-methyl-propan-2-ol / 0.5 h / Ambient temperature
7: 1.) DCC, DMAP, 2.) m-chloroperbenzoic acid / 1.) CH2Cl2, RT, overnight, 2.) EtOAc, 0 deg C, 3 h
With
dmap; sodium chlorite; sodium dihydrogenphosphate; lithium aluminium tetrahydride; 2-methyl-but-2-ene; dimethylsulfide; sodium hexamethyldisilazane; sodium hydride; ozone; triethylamine; 3-chloro-benzenecarboperoxoic acid; dicyclohexyl-carbodiimide;
In
tetrahydrofuran; 1,4-dioxane; diethyl ether; dichloromethane; tert-butyl alcohol;
DOI:10.1139/v93-119