Multi-step reaction with 10 steps
1: 1.) Bu2BOTf, Et3N / 1.) toluene, -78 deg C, 2.) toluene, -78 deg C to 20 deg C
2: AlMe3 / CH2Cl2 / 20 °C
3: imidazole / dimethylformamide / 20 °C
4: DIBAL-H / toluene / -78 °C
5: NH2OH*HCl, NaOAc / ethanol; H2O / 20 °C
6: NaCNBH3 / methanol / 20 °C / pH 4
7: CH2Cl2 / 20 °C
8: 72 percent / benzene / Heating
9: 90 percent / HF, pyridine / tetrahydrofuran / 20 °C
10: 1.) NaH, 2.) Zn, CH3COOH / 1.) THF, 20 deg C, 2.) EtOH, H2O, 60 deg C
With
pyridine; 1H-imidazole; di-n-butylboryl trifluoromethanesulfonate; hydrogen fluoride; hydroxylamine hydrochloride; trimethylaluminum; sodium acetate; sodium hydride; diisobutylaluminium hydride; sodium cyanoborohydride; acetic acid; triethylamine; zinc;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; water; N,N-dimethyl-formamide; toluene; benzene;