Multi-step reaction with 9 steps
1: 99 percent / NaHCO3 / H2O / Ambient temperature
2: TsOH, 4A sieves / acetone / Ambient temperature
3: 1.) NaH / 1.) DMF, 20 min
4: TsOH / methanol / 1.) 0 deg C, 1 h, 2.) RT, 3 h
5: 6.22 g / DMAP, triethylamine / CH2Cl2 / 1.) 0 deg C, 2 h, 2.) RT, 1 h
6: 90 percent / diethylazodicarboxylate, PPh3 / tetrahydrofuran / Ambient temperature
7: 99 percent / trifluoracetic acid / CH2Cl2 / Ambient temperature
8: 3.63 g / NaIO4, RuCl3 dihydrate / acetonitrile; CCl4; H2O / 2 h / 0 °C
9: 1.) isobutyl chloroformate, N-methylmorpholine / 1.) THF, 0 deg C, 2.) 0 deg C, 4 h
With
4-methyl-morpholine; dmap; ruthenium trichloride; sodium periodate; 4 A molecular sieve; sodium hydride; sodium hydrogencarbonate; toluene-4-sulfonic acid; triethylamine; triphenylphosphine; trifluoroacetic acid; diethylazodicarboxylate; isobutyl chloroformate;
In
tetrahydrofuran; methanol; tetrachloromethane; dichloromethane; water; acetone; acetonitrile;
DOI:10.1021/ja00175a039