Multi-step reaction with 2 steps 1: 1) (COCl)2, DMSO; 2) Et3N2: 75 percent / benzene / 70 °C  

Multi-step reaction with 3 steps 1: 90 percent / LiAlH4 2: 95 percent / MCPBA3: 60 percent / LiAlH4  

Multi-step reaction with 5 steps 1: 90 percent / LiAlH4 2: 95 percent / MCPBA3: 60 percent / LiAlH4 4: 95 percent / N-chlorosuccinimide, Me2S, Et3N / CH2Cl2 / -20 °C5: 70 percent  

Multi-step reaction with 6 steps 1: 90 percent / LiAlH4 2: 95 percent / MCPBA3: 60 percent / LiAlH4 4: 95 percent / N-chlorosuccinimide, Me2S, Et3N / CH2Cl2 / -20 °C5: 70 percent6: 85 percent / Et2N-i-Pr  

Multi-step reaction with 8 steps 1: 90 percent / LiAlH4 2: 95 percent / MCPBA3: 60 percent / LiAlH4 4: 95 percent / N-chlorosuccinimide, Me2S, Et3N / CH2Cl2 / -20 °C5: 70 percent6: 85 percent / Et2N-i-Pr7: 70 percent / Dowex 50W-X8 8: 95 percent / H2 / Pd/C / methanol  

Multi-step reaction with 10 steps 1: 90 percent / LiAlH4 2: 95 percent / MCPBA3: 60 percent / LiAlH4 4: 95 percent / N-chlorosuccinimide, Me2S, Et3N / CH2Cl2 / -20 °C5: 70 percent6: 85 percent / Et2N-i-Pr7: 70 percent / Dowex 50W-X8 8: 95 percent / H2 / Pd/C / methanol9: 90 percent / DMSO, oxalyl chloride10: 70 percent  

Multi-step reaction with 12 steps 1: 90 percent / LiAlH4 2: 95 percent / MCPBA3: 60 percent / LiAlH4 4: 95 percent / N-chlorosuccinimide, Me2S, Et3N / CH2Cl2 / -20 °C5: 70 percent6: 85 percent / Et2N-i-Pr7: 70 percent / Dowex 50W-X8 8: 95 percent / H2 / Pd/C / methanol9: 90 percent / DMSO, oxalyl chloride10: 70 percent11: 1.) 9-BBN, 2.) H2O2, base12: 90 percent / DMSO, oxalyl chloride  

Multi-step reaction with 14 steps 1: 90 percent / LiAlH4 2: 95 percent / MCPBA3: 60 percent / LiAlH4 4: 95 percent / N-chlorosuccinimide, Me2S, Et3N / CH2Cl2 / -20 °C5: 70 percent6: 85 percent / Et2N-i-Pr7: 70 percent / Dowex 50W-X8 8: 95 percent / H2 / Pd/C / methanol9: 90 percent / DMSO, oxalyl chloride10: 70 percent11: 1.) 9-BBN, 2.) H2O2, base12: 90 percent / DMSO, oxalyl chloride14: 90 percent / NaOH / methanol; H2O  

Multi-step reaction with 7 steps 1: 90 percent / LiAlH4 2: 95 percent / MCPBA3: 60 percent / LiAlH4 4: 95 percent / N-chlorosuccinimide, Me2S, Et3N / CH2Cl2 / -20 °C5: 70 percent6: 85 percent / Et2N-i-Pr7: 70 percent / Dowex 50W-X8