Multi-step reaction with 8 steps
1.1: NaOMe / methanol / 12 h / Heating
1.2: 99 percent / aq. NaOH / methanol / 4 h / Heating
2.1: H2 / Pd(OH)2/C / tetrahydrofuran; methanol / 24 h
3.1: 57.6 g / K2CO3 / dimethylformamide / 4 h / 20 °C
4.1: 65 percent / NBS / CCl4 / 12 h / 25 °C
5.1: 65 percent / aq. Na2CO3; Pd(PPh3)4 / ethanol; 1,2-dimethoxy-ethane / 6 h / 80 °C
6.1: NaH / dimethylformamide / 0.5 h
6.2: 83 percent / dimethylformamide / 12 h / 50 °C
7.1: 98 percent / TFA / CH2Cl2 / 4 h
8.1: HATU; DIEA / dimethylformamide / 12 h
With
N-Bromosuccinimide; tetrakis(triphenylphosphine) palladium(0); hydrogen; sodium methylate; sodium hydride; sodium carbonate; potassium carbonate; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate;
palladium dihydroxide;
In
tetrahydrofuran; methanol; tetrachloromethane; 1,2-dimethoxyethane; ethanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1021/jm049122i