Multi-step reaction with 11 steps
1.1: aq. NaHCO3 / tetrahydrofuran / 1 h / 20 °C
2.1: NaH / dimethylformamide / 2 h / 20 °C
3.1: NaOH / tetrahydrofuran; ethanol / 1 h / 50 °C
4.1: 1-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline / CHCl3 / 3 h / 20 °C
5.1: AcOH / 96 h / 90 °C
6.1: aq. Na2CO3 / tetrahydrofuran / 12 h / 20 °C
7.1: EDC; HOBt / dimethylformamide / 15 h / 20 °C
8.1: H2 / Pd/C / tetrahydrofuran / 7 h / 20 °C / 2280 Torr
9.1: Et3N / CHCl3 / 18 h / 20 °C
10.1: H2S; pyridine; Et3N / 12 h / 20 °C
11.1: MeI / acetone; methanol / 1 h / Heating
11.2: NH4OAc / ethanol / 3 h / 75 °C
With
pyridine; sodium hydroxide; hydrogen sulfide; hydrogen; sodium hydride; sodium hydrogencarbonate; sodium carbonate; benzotriazol-1-ol; acetic acid; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline; triethylamine; methyl iodide;
palladium on activated charcoal;
In
tetrahydrofuran; methanol; ethanol; chloroform; N,N-dimethyl-formamide; acetone;
DOI:10.1016/j.bmcl.2004.06.009