Multi-step reaction with 8 steps
1.1: potassium carbonate / N,N-dimethyl-formamide / 5 h / 20 °C
2.1: sodium tetrahydroborate / tetrahydrofuran; methanol / 2.5 h / 20 °C
3.1: N-ethyl-N,N-diisopropylamine; methanesulfonyl chloride; lithium chloride / tetrahydrofuran / 0.67 h / 20 °C
4.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0.5 h / 0 - 20 °C
4.2: 6 h / 80 °C
5.1: methanol / 8 h / 75 °C
6.1: N,N,N'N'-tetramethyl-1,3-propanediamine / tetrahydrofuran / 3 h / 20 °C
7.1: trifluoroacetic acid / 15 h / 120 °C
8.1: hydrogenchloride / water; methanol / 1 h / 20 °C
With
hydrogenchloride; sodium tetrahydroborate; N,N,N'N'-tetramethyl-1,3-propanediamine; sodium hydride; potassium carbonate; methanesulfonyl chloride; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid; lithium chloride;
In
tetrahydrofuran; methanol; water; N,N-dimethyl-formamide; mineral oil;