Multi-step reaction with 11 steps
1: 84 percent / MnO2, benzoquinone, Pd(OAc)2 / acetic acid / 64 h / 25 °C
2: 100 percent / Et3N / CH2Cl2 / 0.17 h / 0 °C
3: 82 percent / NaN3 / dimethylformamide / 35 h / 50 °C
4: 100 percent / H2 / Lindlar catalyst / ethanol / 50 h
5: 99 percent / aq. NaHCO3 / ethyl acetate / 3 h / 25 °C
6: 95 percent / K2CO3 / methanol / 2 h
7: 91 percent / various solvent(s) / 86 h / 50 °C / Amano P-30 lipase (crude Pseudomonas cepacia lipase)
8: Et3N / CH2Cl2 / 0.17 h / 0 °C
9: NaBH4 / ethanol / 3 h / 0 °C
10: 1.) 30percent H2O2, 2.) K2CO3 / 1.) THF, CH2Cl2,-78 to 0 deg C, 3 h; 0 deg C, to r.t., 3 h, 2.) MeOH, 25 min
11: 95 percent / p-TSA / acetone / 0.25 h / Ambient temperature
With
manganese(IV) oxide; palladium diacetate; sodium tetrahydroborate; sodium azide; hydrogen; dihydrogen peroxide; sodium hydrogencarbonate; potassium carbonate; toluene-4-sulfonic acid; triethylamine; p-benzoquinone;
Lindlar's catalyst;
In
methanol; ethanol; dichloromethane; acetic acid; ethyl acetate; N,N-dimethyl-formamide; acetone;
DOI:10.1021/jo00108a025