Multi-step reaction with 9 steps
1.1: pyridinium p-toluenesulfonate; trimethyl orthoacetate / CH2Cl2 / 1 h / 20 °C
1.2: triethylamine; acetyl bromide / CH2Cl2 / 0.75 h
1.3: NaOH / diethyl ether; methanol / 2.5 h
2.1: (DHQD)2*PYR; K3Fe(CN)6; aq. K2CO3 / K2OsO4*2H2O / 2-methyl-propan-2-ol; H2O / 14 h / 20 °C
3.1: molecular sieves 5 Angstroem; PPTS / CH2Cl2 / 20 h / 20 °C
4.1: coprous bromide; dimethyl sulfide / tetrahydrofuran / 1.5 h / -78 - 30 °C
5.1: aq. HCl / tetrahydrofuran / 2 h / 20 °C
6.1: imidazole / dimethylformamide / 5 h / 20 °C
7.1: triethylamine; 4-N,N-dimethylaminopyridine / CH2Cl2 / 48 h / 20 °C
8.1: 48 h / 70 °C
9.1: 9-borabicyclo[3.3.1]nonane / tetrahydrofuran / 2 h / 20 °C
9.2: 81 percent / aq. NaOH; H2O2 / 1 h / 20 °C
With
1H-imidazole; hydrogenchloride; Trimethyl orthoacetate; dmap; hydroquinindine-2,5-diphenyl-4,6-pyrimidinediyl diether; dimethylsulfide; 5A molecular sieve; pyridinium p-toluenesulfonate; potassium carbonate; triethylamine; 9-bora-bicyclo[3.3.1]nonane; copper(I) bromide; potassium hexacyanoferrate(III);
potassium osmate(VI);
In
tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide; tert-butyl alcohol;
1.1: Sharpless oxidation;