Multi-step reaction with 11 steps
1: 97 percent / H2 / 10 percent Pd/C / ethanol
2: 90 percent / Et3N / dimethylformamide
3: 1.) pivaloyl chloride, 2.) BuLi / 1.) -70 deg C, 2.) THF
4: 69 percent / KHMDS, trisylazide / tetrahydrofuran
5: 96 percent / aq. LiOH, aq. H2O2 / tetrahydrofuran
6: 100 percent / TBTU, Et3N / CH2Cl2
7: 89 percent / H2 / 10 percent Pd/C / dimethylformamide
8: 90 percent / Et3N / dimethylformamide
9: DIBAL-H / CH2Cl2
10: 64 percent / TEBAC / CH2Cl2; H2O
11: 26 percent / HCl (gas), Boc2O
With
hydrogenchloride; lithium hydroxide; n-butyllithium; di-tert-butyl dicarbonate; 2,4,6-Triisopropylbenzenesulfonyl azide; N-benzyl-N,N,N-triethylammonium chloride; hydrogen; dihydrogen peroxide; pivaloyl chloride; potassium hexamethylsilazane; diisobutylaluminium hydride; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; triethylamine;
palladium on activated charcoal;
In
tetrahydrofuran; ethanol; dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1016/S0960-894X(99)00179-1