Multi-step reaction with 9 steps
1: 46 percent / SeO2 / 12 h / 150 - 155 °C
2: 1.) Mg / 1.) THF, reflux, 2.) THF, from -15 deg C to RT
3: 100 percent / 2,6-lutidine / CH2Cl2 / -10 - 20 °C
4: 87 percent / 80percent MCPBA / CH2Cl2 / 12 h / 0 °C
5: 99 percent / Et3N, TFAA / tetrahydrofuran / 0.5 h / 0 °C
6: 66 percent / pyridine / 13 h / -20 - 20 °C
7: 96 percent / Et3N, bis(triphenylphosphine)palladium(II) chloride, CuI / 6 h
8: 92 percent / H2 / 5percent Pd/C / methanol / 3 h / 2585.7 Torr
9: HF-pyridine / acetonitrile / 0.33 h / Ambient temperature
With
pyridine; 2,6-dimethylpyridine; copper(l) iodide; selenium(IV) oxide; bis(triphenylphosphine)palladium(II)-chloride; hydrogen; pyridine hydrogenfluoride; magnesium; triethylamine; 3-chloro-benzenecarboperoxoic acid; trifluoroacetic anhydride;
palladium on activated charcoal;
In
tetrahydrofuran; methanol; dichloromethane; acetonitrile;
DOI:10.1021/jm00074a012