Multi-step reaction with 17 steps
1: 1.) 2M Na2CO3, Pd(PPh3)4, 2.) H2O2 / 1.) benzene, EtOH, 80 deg C, 1.3 h, 2.) room temperature, 1 h.
2: 99 percent / pyridine / CH2Cl2 / 3 h / Ambient temperature
3: (S)-BINAPO, Pd2dba3*CHCl3 / tetrahydrofuran / 19 h / Ambient temperature
4: 71 percent / sodium naphthalenide / tetrahydrofuran / 0.83 h / -78 °C
5: 45 percent / K2CO3 / various solvent(s) / 216 h / 90 °C
7: 85 percent / imidazole / CH2Cl2 / 3 h / Ambient temperature
8: H2 / 10percent Pd/C / methanol / 9 h / Ambient temperature
9: pyridine / CH2Cl2 / 12 h / Ambient temperature
10: 100 percent / Bu4NF / tetrahydrofuran / 0.5 h / Ambient temperature
11: 91 percent / pyridine / CH2Cl2 / 6 h / Ambient temperature
12: 65 percent / CrO3, 3,5-dimethylpyrazole / CH2Cl2 / 20 h / -10 °C
13: 79 percent / H2 / 10percent Pd/C / CH2Cl2 / 3.5 h / Ambient temperature
14: 98 percent / TMSOTf / CH2Cl2 / 6 h / -30 °C
15: 97 percent / K2CO3 / CH2Cl2; methanol / 2 h / Ambient temperature
16: 91 percent / Dess-Martin reagent / CH2Cl2 / 2 h / 0 °C
17: 79 percent / RhCl(PPh3)3 / various solvent(s) / 24 h / Heating
With
pyridine; 1H-imidazole; 3,5-dimethyl-1H-pyrazole; chromium(VI) oxide; tris(dibenzylideneacetone)dipalladium(0) chloroform complex; tetrakis(triphenylphosphine) palladium(0); trimethylsilyl trifluoromethanesulfonate; RhCl(PPh3)3; tetrabutyl ammonium fluoride; hydrogen; dihydrogen peroxide; sodium naphthalenide; sodium carbonate; potassium carbonate; Dess-Martin periodane; (S)-1,1'-binaphthalene-2,2'-diylbis(diphenylphosphine oxide);
palladium on activated charcoal;
In
tetrahydrofuran; methanol; dichloromethane;
DOI:10.1021/jo9701187