Multi-step reaction with 16 steps
1: dimethylformamide
2: NaH / dimethylformamide / Ambient temperature
3: AcOH, H2O / Ambient temperature
4: pyridine
5: 97 percent / pyridine / 60 °C
6: 87 percent / MeONa / methanol / Ambient temperature
7: pyridinium chlorochromate (PCC) / CH2Cl2
8: 68 percent / potassium hexamethyldisilazane, 18-crown-6 / tetrahydrofuran / -78 °C
9: (i-Bu)2AlH / CH2Cl2 / -78 °C
10: 97 percent / 4-(N,N-dimethylamino)pyridine, Et3N / CH2Cl2 / Ambient temperature
11: 44 percent / OsO4, N-methylmorpholine N-oxide (NMO) / acetone; H2O / Ambient temperature
12: 100 percent / N,N-(i-Pr)2EtN / CH2Cl2 / Heating
13: H2 / 10percent Pd/C / ethanol
14: pyridinium chlorochromate (PCC) / CH2Cl2
15: tetrahydrofuran / Ambient temperature
16: 93 percent / N,N-(i-Pr)2EtN / CH2Cl2 / Heating
With
pyridine; dmap; osmium(VIII) oxide; potassium hexamethyldisilazane; 18-crown-6 ether; water; hydrogen; sodium methylate; sodium hydride; diisobutylaluminium hydride; acetic acid; 4-methylmorpholine N-oxide; triethylamine; N-ethyl-N,N-diisopropylamine; pyridinium chlorochromate;
palladium on activated charcoal;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; water; N,N-dimethyl-formamide; acetone;
DOI:10.1039/c39920000406