Multi-step reaction with 10 steps
1.1: 80 percent / CuBr*SMe2 / tetrahydrofuran / 2.5 h / -78 °C
2.1: BH3 / tetrahydrofuran / 1 h / 0 °C
2.2: 90 percent / NaBO3*H2O / tetrahydrofuran; H2O / 3 h / 20 °C
3.1: 82 percent / imidazole / dimethylformamide / 20 °C
4.1: KHMDS / tetrahydrofuran; toluene / 0.67 h / -78 °C
4.2: 35 percent / trisyl azide / tetrahydrofuran / 0.03 h / -78 °C
5.1: 87 percent / HF*pyridine / tetrahydrofuran / 0 - 20 °C
6.1: oxalyl chloride; Et3N; DMSO / CH2Cl2 / -78 - 20 °C
7.1: 17 mg / H2 / 10 percent Pd-C / 20 °C / 2068.59 Torr
8.1: NaOH / dioxane; H2O / 2 h / 0 °C
9.1: 12 mg / dry ice / dioxane; H2O / 20 °C
10.1: 100 percent / HOBt; 1,3-diisopropylcarbodiimide / dimethylformamide / 20 °C
With
1H-imidazole; sodium hydroxide; oxalyl dichloride; copper(I) bromide dimethylsulfide complex; Methamphetamin; borane; hydrogen; potassium hexamethylsilazane; benzotriazol-1-ol; pyridine hydrogenfluoride; dimethyl sulfoxide; triethylamine; diisopropyl-carbodiimide;
palladium on activated charcoal;
In
tetrahydrofuran; 1,4-dioxane; dichloromethane; water; N,N-dimethyl-formamide; toluene;
1.1: Michael addition / 6.1: Swern oxidation;
DOI:10.1016/S0040-4020(02)01421-7