Yield given. Multistep reaction;

Multi-step reaction with 6 steps 1: 77 percent / O3, H2O2 / CH2Cl2; methanol2: carbonyl diimidazole / tetrahydrofuran3: 85 percent / p-dodecyl-SO2N3, TEA / acetonitrile4: 72 percent / Rh2(O2CC7H15)4 / CH2Cl2 5: 72 percent / (PhO)3PCl2, HCl / pyridine; CH2Cl2; ethyl acetate; various solvent(s)6: 1.) TEA 2.) TEA, i-BuOCOCl / 2.) DMBA / 1.) ETOH, H2O 2.) DMF  

Multi-step reaction with 2 steps 1: 72 percent / (PhO)3PCl2, HCl / pyridine; CH2Cl2; ethyl acetate; various solvent(s)2: 1.) TEA 2.) TEA, i-BuOCOCl / 2.) DMBA / 1.) ETOH, H2O 2.) DMF  

Multi-step reaction with 5 steps 1: carbonyl diimidazole / tetrahydrofuran2: 85 percent / p-dodecyl-SO2N3, TEA / acetonitrile3: 72 percent / Rh2(O2CC7H15)4 / CH2Cl2 4: 72 percent / (PhO)3PCl2, HCl / pyridine; CH2Cl2; ethyl acetate; various solvent(s)5: 1.) TEA 2.) TEA, i-BuOCOCl / 2.) DMBA / 1.) ETOH, H2O 2.) DMF  

Multi-step reaction with 3 steps 1: 72 percent / Rh2(O2CC7H15)4 / CH2Cl2 2: 72 percent / (PhO)3PCl2, HCl / pyridine; CH2Cl2; ethyl acetate; various solvent(s)3: 1.) TEA 2.) TEA, i-BuOCOCl / 2.) DMBA / 1.) ETOH, H2O 2.) DMF  

Multi-step reaction with 4 steps 1: 85 percent / p-dodecyl-SO2N3, TEA / acetonitrile2: 72 percent / Rh2(O2CC7H15)4 / CH2Cl2 3: 72 percent / (PhO)3PCl2, HCl / pyridine; CH2Cl2; ethyl acetate; various solvent(s)4: 1.) TEA 2.) TEA, i-BuOCOCl / 2.) DMBA / 1.) ETOH, H2O 2.) DMF