Multi-step reaction with 4 steps
1.1: n-butyllithium / tetrahydrofuran; hexane / 1.42 h / -78 °C
1.2: 16 h / -78 - 20 °C
2.1: 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide / tetrahydrofuran; ethyl acetate / 1 h / 20 °C
3.1: 1,2-dichloro-ethane / 18 h / 75 °C
4.1: Wilkinson's catalyst; hydrogen / ethanol / 2 h / 60 °C / 2327.23 Torr
With
Wilkinson's catalyst; n-butyllithium; hydrogen; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide;
In
tetrahydrofuran; ethanol; hexane; ethyl acetate; 1,2-dichloro-ethane;
DOI:10.1021/jm200939b