1: 98 percent / imidazole / dimethylformamide / 2 h / 20 °C 2: 83 percent / H2 / 10percent Pd/C / ethanol / 0.5 h 3: 95 percent / TPAP; NMO / CH2Cl2 / 0.8 h / 20 °C 4: 78 percent / n-BuLi / tetrahydrofuran; hexane / -78 - -5 °C 5: TESOTf; 2,6-lutidine / CH2Cl2 / 3 h / 20 °C 6: 380 mg / EDCI; DMAP / CH2Cl2 / 2 h / 20 °C 7: 78 percent / Cl2(PCy3)Ru(=CHPh)[cyclo(CHNMesCH2CH2NMes)] / toluene / 0.17 h / 110 °C 8: 76 percent / KHMDS / tetrahydrofuran; toluene / -78 - -20 °C 9: 97 percent / HF*pyridine / tetrahydrofuran / 3 h / 20 °C 10: 91 percent / TrisNHNH2; Et3N / 1,2-dichloro-ethane / 7 h / 50 °C View Scheme