Multi-step reaction with 12 steps
1.1: 81 percent / Dess-Martin reagent / CH2Cl2 / 3 h / 0 °C
2.1: CF3SO3H; Et3B; DIPEA / hexane; CH2Cl2 / 0.5 h / -10 °C
2.2: 88 percent / TiCl4 / hexane; CH2Cl2 / 2 h
3.1: LiAlH4 / tetrahydrofuran / 0.5 h / Heating
4.1: PPTs / 24 h
5.1: 90 percent / 2,4,6-trichlorobenzoyl chloride; DIPEA; DMAP / benzene
6.1: TsOH / methanol
7.1: 2,2,6,6-tetramethylpiperidinyloxyl; KBr; NaHCO3 / NaClO / CH2Cl2; H2O / 1 h
8.1: NaClO2; NaH2PO4 / H2O; 2-methyl-propan-2-ol; various solvent(s) / 1 h
9.1: HATU; DIPEA / CH2Cl2 / 24 h
10.1: 62 percent / (diethylamino)sulfur trifluoride / CH2Cl2 / 3 h / -78 °C
11.1: N-methylaniline / [Pd(PPh3)4] / tetrahydrofuran / 2 h
12.1: HATU; DIPEA / CH2Cl2 / 48 h / 20 °C
With
dmap; sodium chlorite; sodium dihydrogenphosphate; lithium aluminium tetrahydride; 4-oxo-2,2,6,6-tetramethylpiperidin-oxyl; triethyl borane; trifluorormethanesulfonic acid; diethylamino-sulfur trifluoride; 2,4,6-trichlorobenzoyl chloride; pyridinium p-toluenesulfonate; sodium hydrogencarbonate; Dess-Martin periodane; toluene-4-sulfonic acid; N-ethyl-N,N-diisopropylamine; N-methylaniline; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; potassium bromide;
sodium hypochlorite; tetrakis(triphenylphosphine) palladium(0);
In
tetrahydrofuran; methanol; hexane; dichloromethane; water; tert-butyl alcohol; benzene;
1.1: Dess-Martin oxidation;
DOI:10.1002/chem.200600599