Multi-step reaction with 13 steps
1: 93 percent / I2/KI, NaHCO3 / H2O / 0 °C
2: 96 percent / DBU / tetrahydrofuran / Heating
3: 93 percent / LiAlH4 / diethyl ether / 0 °C
4: 70 percent / n-Bu3P / dimethylformamide / Ambient temperature
5: 94 percent / BF3*Et2O / diethyl ether / 0 °C
6: 87 percent / oxone / tetrahydrofuran; methanol; H2O / 0 °C
7: 71 percent / BH3*THF, NaOH, t-BuO2H / -78 deg C to room temp.
8: 70 percent / imidazole / dimethylformamide / Ambient temperature
9: 89 percent / n-BuLi / tetrahydrofuran / -78 °C
10: 84 percent / TFAA, DMSO / CH2Cl2 / -78 °C
11: 90 percent / Al(Hg) / tetrahydrofuran; H2O / Heating
12: 70 percent / LDA, DMPU / 1,2-dimethoxy-ethane / -78 deg C to room temp.
13: 73 percent / tetrahydrofuran / 0 °C
With
1H-imidazole; tert.-butylhydroperoxide; 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; Oxone; sodium hydroxide; aluminum amalgam; lithium aluminium tetrahydride; n-butyllithium; borane-THF; tributylphosphine; boron trifluoride diethyl etherate; iodine; sodium hydrogencarbonate; dimethyl sulfoxide; 1,8-diazabicyclo[5.4.0]undec-7-ene; trifluoroacetic anhydride; potassium iodide; lithium diisopropyl amide;
In
tetrahydrofuran; methanol; 1,2-dimethoxyethane; diethyl ether; dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4039(01)93398-2