Multi-step reaction with 11 steps
1: 77 percent / N-Chloro-succinimide / tetrahydrofuran / 1.) -78 to 0 deg C, 3 h 2.) 0 deg C, 30 min., d.e. = 98 percent
2: 90 percent / Ca(BH4)2 / tetrahydrofuran
3: AgCN
4: 1.) n-BuLi, diisopropylamine / 1.) THF, hexane, - 78 deg C 2.) -78 deg C, 1 h.
5: 66 percent / N-Bromo-succinimide / 1,2-dimethoxy-ethane / 0.5 h / -78 °C / d.e. 96percent
6: 90 percent / Ca(BH4)2 / tetrahydrofuran
7: AgCN
8: 1.) n-BuLi, diisopropylamine / 1.) THF, hexane, - 78 deg C 2.) -78 deg C, 1 h.
9: 67 percent / N-Chloro-succinimide / tetrahydrofuran / 1.) -78 deg C, 3 h 2.) 0 deg C, 30 min. d.e. 96 percent
10: 90 percent / Ca(BH4)2 / tetrahydrofuran
11: AgCN
With
N-chloro-succinimide; N-Bromosuccinimide; n-butyllithium; calcium borohydride; silver cyanide; diisopropylamine;
In
tetrahydrofuran; 1,2-dimethoxyethane;