Multi-step reaction with 7 steps
1.1: [2,2]bipyridinyl; copper(ll) bromide / 1,2-dichloro-ethane / 24 h / 80 °C
2.1: 1,8-diazabicyclo[5.4.0]undec-7-ene / tetrahydrofuran / 1.25 h / 0 - 20 °C
3.1: 2,2,6,6-tetramethyl-piperidine; n-butyllithium / tetrahydrofuran; hexane / 2.75 h / -78 °C
3.2: 2 h / -78 °C
4.1: hydrogenchloride; water; acetic acid / 2 h / 20 °C
5.1: sodium hydride / tetrahydrofuran / 18 h / 0 - 60 °C
5.2: 1 h / 0 °C
6.1: sodium hydride / tetrahydrofuran / 0.5 h / 0 °C
6.2: 0.5 h / 0 °C
7.1: carbonochloridic acid 1-chloro-ethyl ester / tetrahydrofuran / 1 h / 0 °C
7.2: 14 h / 0 - 80 °C
7.3: 48 h / 20 °C
With
2,2,6,6-tetramethyl-piperidine; hydrogenchloride; [2,2]bipyridinyl; n-butyllithium; carbonochloridic acid 1-chloro-ethyl ester; water; sodium hydride; acetic acid; 1,8-diazabicyclo[5.4.0]undec-7-ene; copper(ll) bromide;
In
tetrahydrofuran; hexane; 1,2-dichloro-ethane;