Multi-step reaction with 9 steps
1: 93 percent / pyridine / 5 h / Ambient temperature
2: 1.) BH3*Me3N, molecular sieves 4 Angstroem, 2.) AlCl3 / 1.) PhMe, r.t., 1 h, 2.) r.t., 2 h
3: 92 percent / imidazole / dimethylformamide / 1 h / 70 °C
4: 93 percent / NaOMe / methanol; CH2Cl2 / Ambient temperature
5: 84 percent / Et3N / CH2Cl2 / Ambient temperature
6: 92 percent / pyridine / CH2Cl2 / 0.25 h / 0 °C
7: 84 percent / NIS, silver triflate, molecular sieves 4 Angstroem / CH2Cl2; toluene / 0.17 h / -20 °C
8: 92 percent / (NH2)2C=S, 2,6-dimethylpyridine / methanol; CH2Cl2 / 6 h / Heating
9: 90 percent / Bu4NF, AcOH / various solvent(s) / 7 h / Ambient temperature
With
pyridine; 1H-imidazole; 2,6-dimethylpyridine; N-iodo-succinimide; aluminium trichloride; trimethylamine-borane; 4 A molecular sieve; tetrabutyl ammonium fluoride; sodium methylate; silver trifluoromethanesulfonate; acetic acid; triethylamine; thiourea;
In
methanol; dichloromethane; N,N-dimethyl-formamide; toluene;