Multi-step reaction with 12 steps
1: 83.3 percent / imidazole / dimethylformamide / 10 h / Ambient temperature
2: 1.) Pb(OAc)4, 2.) NaAlH2(OCH2CH2OCH3)2 / 1.) CH2Cl2, -15 deg C, 15 min, 2.) toluene, RT, 2 h
3: 93 percent / imidazole / CH2Cl2; dimethylformamide / 1.) RT, 15 h, 2.) 45 deg C, 20 h, 3.) 80 deg C, 6 h
4: 1.) ozone, 2.) NaBH4 / 1.) MeOH, pyridine, CH2Cl2, -78 deg C, 1 h, 2.) RT, 12 h
5: 95 percent / pyridine / 2 h / 0 °C
6: 94 percent / NaI / acetone / 15 h / Heating
7: 1.) t-BuLi, CuC2C(CH3)2OCH3 / 1.) pentane, -80 deg C, 2.5 h, 2.) Et2O, -80 deg C, 15 min
8: 48percent aq. HF / acetonitrile / 3 h
9: 80 percent / p-toluenesulfonic acid / 24 h / Ambient temperature
10: 90 percent / pyridinium dichromate, pyridinium p-toluenesulfonate / CH2Cl2 / 4.5 h / Ambient temperature
11: 1.) n-BuLi / 1.) hexane, THF, -70 deg C, 30 min, 2.) THF, -70 deg C, 1 h
12: 81 percent / 48percent aq. HF / acetonitrile / 3 h / Ambient temperature
With
pyridine; 1H-imidazole; lead(IV) acetate; sodium tetrahydroborate; dipyridinium dichromate; n-butyllithium; hydrogen fluoride; tert.-butyl lithium; pyridinium p-toluenesulfonate; toluene-4-sulfonic acid; ozone; sodium bis(2-methoxyethoxy)aluminium dihydride; sodium iodide;
In
dichloromethane; N,N-dimethyl-formamide; acetone; acetonitrile;
DOI:10.1021/jo00358a019