Multi-step reaction with 10 steps
1.1: sodium hydride / tetrahydrofuran; mineral oil / 0.5 h / 0 °C
1.2: 0 - 20 °C
2.1: sodium hydride / tetrahydrofuran / 0 - 20 °C / Inert atmosphere
2.2: 3 h / 0 - 20 °C / Inert atmosphere
3.1: trifluoroacetic acid / dichloromethane / 2 h / Reflux
4.1: copper(I) oxide / acetonitrile / 2 h / Reflux
5.1: sodium dithionite / tetrahydrofuran; water / 1 h / 20 °C
6.1: tert.-butylnitrite; copper dichloride / acetonitrile / 0.5 h / 50 °C / Inert atmosphere
7.1: N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) / tetrachloromethane / 4 h / 85 °C
8.1: N,N-dimethyl-formamide / 60 °C
9.1: hydrazine hydrate / methanol / 2 h / 60 °C
10.1: 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); sodium hydride; hydrazine hydrate; N-ethyl-N,N-diisopropylamine; HATU; trifluoroacetic acid; copper dichloride;
In
tetrahydrofuran; methanol; tetrachloromethane; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile; mineral oil;