Multi-step reaction with 18 steps
1: 100 percent / p-TsOH*H2O / benzene / 1 h / Heating
2: 91 percent / pyridinium bromide perbromide / tetrahydrofuran / 0.25 h / Ambient temperature
3: 77 percent / t-BuOK / dimethylsulfoxide / 0.25 h / Ambient temperature
4: 1.) t-BuLi, 2.) HMPA / 1.) THF, pentane, 0 deg C, 1 h, 2.) THF, pentane, -78 deg C, 30 min
5: oxalic acid / CH2Cl2 / 2 h / Ambient temperature
6: (COCl)2, DMSO / CH2Cl2 / 0.5 h / -78 °C
7: ZnBr2 / CH2Cl2 / 23 h / Ambient temperature
8: camphorsulfonic acid (CSA) / benzene / 18 h / Ambient temperature
9: 79 percent / dimethylsulfoxide; tetrahydrofuran / 1.75 h / 0 - 20 °C
11: 229.4 mg / H2 / 10percent Pd(OH)2/C / ethyl acetate / 0.67 h / Ambient temperature
12: 82 percent / NaIO4, RuCl3 / H2O; CCl4; acetonitrile / 3 h / Ambient temperature
13: 83 percent / 1,3-dicyclohexylcarbodiimide, 4-pyrrolidinopyridine / CH2Cl2 / 1 h / Ambient temperature
14: 80 percent / NaBH4 / methanol; tetrahydrofuran / 0.67 h / -30 °C
15: 94 percent / 4-pyrrolidinopyridine, Et3N / pyridine / 48 h / Ambient temperature
16: 77 percent / H2O, NaHCO3 / various solvent(s) / 24 h / 130 °C
17: 88 percent / t-Bu4NF / dimethylsulfoxide / 4 h / 55 °C
18: 83 percent / diethyl ether / 0 °C
With
N,N,N,N,N,N-hexamethylphosphoric triamide; ruthenium trichloride; sodium tetrahydroborate; sodium periodate; oxalyl dichloride; camphor-10-sulfonic acid; potassium tert-butylate; water; hydrogen; tert.-butyl lithium; pyridinium hydrobromide perbromide; oxalic acid; sodium hydrogencarbonate; 4-pyrrolidin-1-ylpyridine; toluene-4-sulfonic acid; dimethyl sulfoxide; tetra(tert-butyl)-ammonium fluoride; triethylamine; dicyclohexyl-carbodiimide; zinc dibromide;
palladium dihydroxide;
In
tetrahydrofuran; pyridine; methanol; tetrachloromethane; diethyl ether; dichloromethane; water; dimethyl sulfoxide; ethyl acetate; acetonitrile; benzene;