Multi-step reaction with 31 steps
1.1: (COCl)2; DMSO; Et3N / CH2Cl2 / 1 h / -78 - 0 °C
2.1: CH2Cl2 / 4 h / 20 °C
3.1: DIBAL-H / CH2Cl2 / 0.33 h / -78 °C
4.1: D-(-)-DIPT; Ti(O-iPr)4; TBHP / CH2Cl2 / 3 h / -20 °C
4.2: 92 percent / Red-Al / tetrahydrofuran / 3 h / -10 °C
5.1: Et3N; DMAP / dimethylformamide / 5 h / 0 - 20 °C
6.1: Et3N; DMAP / CH2Cl2 / 0.5 h / 0 - 20 °C
7.1: CSA / methanol / 48 h / 20 °C
8.1: imidazole; DMAP / dimethylformamide / 24 h / 0 - 20 °C
9.1: TBAF / tetrahydrofuran / 3 h / 0 °C
10.1: (COCl)2; DMSO; Et3N / CH2Cl2 / -78 - 0 °C
11.1: DIBAL-H
12.1: (+)-DIPT
13.1: CCl4; Ph3P; NaHCO3
14.1: LDA
15.1: Red-Al / diethyl ether / 2 h / 0 - 20 °C
16.1: Et2Zn / CH2Cl2 / 4 h / -20 - 0 °C
17.1: Et3N; DMAP / CH2Cl2 / 1 h / 0 - 20 °C
18.1: H2 / Pd/C / hexane / 1 h / 20 °C
19.1: SO3-pyridine; Et3N / CH2Cl2 / 1 h / 0 - 20 °C
20.1: diethyl ether / 1 h / 0 - 20 °C
21.1: BH3*Me2S / tetrahydrofuran / 0.5 h / 0 °C
21.2: H2O2; NaOH / tetrahydrofuran; H2O
22.1: SO3-pyridine; Et3N / CH2Cl2 / 1 h / 0 - 20 °C
23.1: NaClO2; NaH2PO4*2H2O; 2-methyl-2-butene / 2-methyl-propan-2-ol / 1 h / 20 °C
24.1: diethyl ether / 0.17 h / 0 °C
25.1: CSA / methanol; CH2Cl2 / 0.17 h / 0 °C
26.1: K2CO3 / 1 h / 20 °C
27.1: 2,4,6-trichlorobenzoyl chloride; Et3N / tetrahydrofuran / 3 h / 20 °C
27.2: 80 percent / DMAP / toluene / 1 h / 20 °C
28.1: CSA / methanol; CH2Cl2 / 0.17 h / 0 °C
29.1: morpholine / Pd(PPh3)4 / tetrahydrofuran / 1 h / 20 °C
30.1: 2,4,6-trichlorobenzoyl chloride; Et3N / tetrahydrofuran / 3 h / 20 °C
30.2: 65 percent / DMAP / toluene / 5 h / 80 °C
With
morpholine; 1H-imidazole; titanium(IV) isopropylate; tert.-butylhydroperoxide; tetrachloromethane; dmap; sodium chlorite; sodium dihydrogenphosphate; 2-methyl-but-2-ene; oxalyl dichloride; pyridine-SO3 complex; L-(+)-diisopropyl tartrate; dimethylsulfide borane complex; 2,4,6-trichlorobenzoyl chloride; camphor-10-sulfonic acid; tetrabutyl ammonium fluoride; hydrogen; diethylzinc; diisobutylaluminium hydride; sodium hydrogencarbonate; potassium carbonate; D-(-)-diisopropyl tartrate; dimethyl sulfoxide; triethylamine; triphenylphosphine; sodium bis(2-methoxyethoxy)aluminium dihydride; lithium diisopropyl amide;
palladium on activated charcoal; tetrakis(triphenylphosphine) palladium(0);
In
tetrahydrofuran; methanol; diethyl ether; hexane; dichloromethane; N,N-dimethyl-formamide; tert-butyl alcohol;
1.1: Swern oxidation / 4.1: Sharpless epoxidation / 10.1: Swern oxidation / 13.1: Sharpless epoxidation / 28.1: Yamaguchi reaction;
DOI:10.1016/j.tetlet.2006.01.130