Multi-step reaction with 13 steps
1.1: 9-borabicyclo[3.3.1]nonane dimer / tetrahydrofuran / 0.67 h / sonication
1.2: 91 percent / aq. NaOH; aq. H2O2 / tetrahydrofuran / -5 °C
2.1: 78 percent / imidazole / dimethylformamide / 0 - 20 °C
3.1: n-BuLi / tetrahydrofuran; hexane / 0.08 h / -78 °C
3.2: 87 percent / tetrahydrofuran; hexane / 1.25 h / -78 - 20 °C
4.1: 68 percent / n-Bu3SnH; AIBN / 0.33 h / 100 °C
5.1: 87 percent / n-Bu4NF / tetrahydrofuran / 0 - 20 °C
6.1: Et3N; DMAP / CH2Cl2 / 11 h / 20 °C
7.1: 88 percent / NaN3 / dimethylformamide / 20 - 50 °C
8.1: H2 / Pd/C; Pb/CaCO3 / ethanol / 1 h / 760.05 Torr
9.1: 97 percent / diethyl phosphorocyanidate; Et3N / dimethylformamide / 4.25 h / 0 - 20 °C
10.1: NaH / tetrahydrofuran / 0.33 h / -78 °C
10.2: 94 percent / tetrahydrofuran / 20 h / 20 °C
11.1: 100 percent / H2 / Pd/C / ethanol / 1 h / 20 °C / 760.05 Torr
12.1: DMSO; Et3N; sulfur trioxide*pyridine / CH2Cl2 / 0 - 20 °C
13.1: sodium bis(trimethylsilyl)amide / tetrahydrofuran / 0 - 20 °C
13.2: 188 mg / tetrahydrofuran / 2 h / 0 °C
With
1H-imidazole; dmap; n-butyllithium; sodium azide; 2,2'-azobis(isobutyronitrile); diethyl cyanophosphonate; tetrabutyl ammonium fluoride; hydrogen; tri-n-butyl-tin hydride; sodium hexamethyldisilazane; sulfur trioxide pyridine complex; sodium hydride; dimethyl sulfoxide; triethylamine; dimeric 9-borabicyclo[3.3.1]nonane;
palladium on activated charcoal; Piperonyl butoxide; calcium carbonate;
In
tetrahydrofuran; ethanol; hexane; dichloromethane; N,N-dimethyl-formamide;
13.2: Horner-Wadsworth-Emmons reaction;
DOI:10.1016/j.tet.2004.06.014