Multi-step reaction with 15 steps
1: 100 percent / imidazole / tetrahydrofuran / 25 °C
3: 100 percent / imidazole / tetrahydrofuran / 25 °C
5: 100 percent / imidazole / tetrahydrofuran / 25 °C
6: 100 percent / Dowex50-X8 resin (H+ form), MeOH / 5 h / 25 °C
7: 73 percent / pyridinium chlorochromate,NaOAc / CH2Cl2 / 1.2 h / 25 °C
8: 94 percent / KF / dimethylformamide / 3 h / 25 °C
9: 74 percent / NaOMe / methanol; tetrahydrofuran / 1.) -10 degC, 3 h, 2.) -10 -> 25 degC
10: 94 percent / xylene / 3 h / Heating
11: LiAlH4 / tetrahydrofuran / 1 h / 25 °C
12: 85 percent / MnO2 / CH2Cl2 / 1.5 h / 25 °C
13: 1.) Ph2P(CH2)3PPh2 / 1.) (Ph3P)2Rh(I)(CO)2Cl / 1.) mesitylen, 100 degC, 1h, 2.) reflux, 20 h
14: HOAc / ethanol; H2O / 1.) 0-5 degC, 2 h, 2.) 25 degC, 20 h
15: ethanol; ethyl acetate / 24 h / refrigerated
With
1H-imidazole; methanol; manganese(IV) oxide; potassium fluoride; lithium aluminium tetrahydride; Dowex50-X8 resin (H+ form); 1,3-bis-(diphenylphosphino)propane; sodium methylate; sodium acetate; acetic acid; pyridinium chlorochromate;
(Ph3P)2Rh(I)(CO)2Cl;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; water; ethyl acetate; N,N-dimethyl-formamide; xylene;
DOI:10.1248/cpb.38.2939