Multi-step reaction with 13 steps
1: 73 percent / KHCO3, I2, KI / H2O / 6 h / Ambient temperature
2: 83 percent / DBU / benzene / 1.5 h / Ambient temperature
3: 100 percent / NaBH4 / ethanol / 0.83 h / Ambient temperature
4: p-TsOH / CH2Cl2 / 0.33 h / 0 °C
5: 100 percent / 10percent NaOH / ethanol / 16 h / 100 °C
6: 1.) KI, I2, KHCO3, 2.) p-TsOH / 1.) water, 1 h, r.t., 2.) CH2Cl2
7: 92 percent / n-Bu3SnH, ABIN / benzene / 0.5 h / 15 °C / Irradiation
8: 1.) DIBAL, 2.) dimsylsodium / 1.) toluene, -78 deg C, 20 min, 2.) DMSO, 45 deg C, 2 h, 3.) ether
9: 88 percent / PCC / CH2Cl2 / 1.5 h
10: 1.) NaBH4, 2.) Et3N / 1.) MeOH, -40 deg C, 15 min, 2.) CH2Cl2, -25 deg C, 30 min
11: 400 mg / NaH / dimethylsulfoxide / 24 h / 45 °C
12: PPTS / methanol / 1 h / 60 °C
13: 70 percent / pyridine; CH2Cl2 / 1.) -25 deg C, 2 h, 2.) r.t., 1 h
With
sodium hydroxide; sodium tetrahydroborate; dimsylsodium; iodine; tri-n-butyl-tin hydride; pyridinium p-toluenesulfonate; sodium hydride; diisobutylaluminium hydride; potassium hydrogencarbonate; toluene-4-sulfonic acid; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; pyridinium chlorochromate; potassium iodide;
In
pyridine; methanol; ethanol; dichloromethane; water; dimethyl sulfoxide; benzene;
DOI:10.1016/S0040-4020(01)88649-X