Multi-step reaction with 8 steps
1.1: sodium hydride / tetrahydrofuran / 0.5 h / 0 °C / Inert atmosphere
1.2: 1.5 h / 0 - 20 °C / Inert atmosphere
2.1: trifluoroacetic acid / dichloromethane / 3 h / 40 °C
3.1: copper(I) oxide / acetonitrile / 3 h / Reflux
4.1: sodium dithionite / tetrahydrofuran; water / 16 h / 40 °C
5.1: tert.-butylnitrite; copper dichloride / acetonitrile / 0.5 h / 50 °C / Inert atmosphere
6.1: N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) / tetrachloromethane / 6 h / 90 °C / Inert atmosphere
7.1: ammonia / methanol; dichloromethane / 4 h / 20 °C
8.1: N-ethyl-N,N-diisopropylamine; HATU / N,N-dimethyl-formamide / 20 °C
With
copper(I) oxide; N-Bromosuccinimide; tert.-butylnitrite; sodium dithionite; 2,2'-azobis(isobutyronitrile); ammonia; sodium hydride; N-ethyl-N,N-diisopropylamine; HATU; trifluoroacetic acid; copper dichloride;
In
tetrahydrofuran; methanol; tetrachloromethane; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile;