Multi-step reaction with 10 steps
1.1: n-BuLi / diethyl ether / 2.5 h / -30 - 0 °C
1.2: 91 percent / diethyl ether / 3 h / -50 °C
2.1: 213 mg / NH2OH / ethanol / 22 h / Heating
3.1: 88 percent / pyridine / 3 h / Heating
4.1: 97 percent / NH3 / diethyl ether / 8 h / -60 °C
5.1: 51 percent / N-bromosuccinimide; (PhCOO)2 / methyl formate / Heating; irradiation
6.1: 64 percent / N-bromosuccinimide; (PhCOO)2 / methyl formate / Heating; irradiation
7.1: 60 percent / dimethylformamide / 4 h / 20 °C
8.1: 48 percent / Dowex-MWA-1 / dimethylformamide / 6 h / 60 °C
9.1: trimethyl phosphate; proton sponge / 0.33 h / 0 °C
9.2: POCl3 / 2 h / 0 °C
9.3: bis(tributylammonium)pyrophosphate / 0.75 h / 0 °C
10.1: 1,1'-carbonylbis(imidazole) / dimethylformamide / 4 h / 20 °C
10.2: dimethylformamide; methanol / 0.08 h / 0 °C
10.3: 4.6 mg / bis(tributylammonium)pyrophosphate / methanol; dimethylformamide / 3 h / 20 °C
With
pyridine; trimethyl phosphite; N-Bromosuccinimide; n-butyllithium; Proton Sponge; Dowex-MWA-1; ammonia; hydroxylamine; 1,1'-carbonyldiimidazole; dibenzoyl peroxide;
In
diethyl ether; ethanol; Methyl formate; N,N-dimethyl-formamide;
DOI:10.1039/b303425a