Multi-step reaction with 13 steps
1.1: PDC / dimethylformamide / 23 h / 20 °C
2.1: 171 mg / (PhO)2PON3; DIPEA; 4 Angstroem molecular sieves / toluene / 1 h / 65 °C
3.1: 66 percent / DMAP / CH2Cl2 / 91 h / 20 °C
4.1: 83 percent / TBAF*3H2O / tetrahydrofuran / 0.03 h / 0 °C
5.1: 80 mg
6.1: LiBH(s-Bu)3 / tetrahydrofuran / 0.25 h / -95 °C
7.1: CSA / CH2Cl2 / 0.67 h / 20 °C
8.1: DMAP; DIPEA; 4 Angstroem molecular sieves / CH2Cl2 / 1 h / 20 °C
9.1: hydroquinine 9-phenanthryl ether; potassium osmate dihydrate; aq. K3Fe(CN)6 / 2-methyl-propan-2-ol / 8 h / 20 °C
10.1: aq. NaIO4 / methanol / 1 h / 20 °C
11.1: 27 mg / Et3N / toluene / 0.03 h / Heating
12.1: MeMgCl; Mg; 1,2-dibromoethane / tetrahydrofuran / 3 h / Heating
12.2: 20 mg / tetrahydrofuran / 2 h / -78 °C
13.1: 4 mg / 4-methylmorpholine N-oxide; TPAP; 4 Angstroem molecular sieves / CH2Cl2; acetonitrile / 0.5 h / 20 °C
With
dmap; potassium osmate(VI); sodium periodate; dipyridinium dichromate; tetrapropylammonium perruthennate; 4 A molecular sieve; diphenyl phosphoryl azide; camphor-10-sulfonic acid; tetrabutyl ammonium fluoride; methylmagnesium chloride; L-Selectride; magnesium; 4-methylmorpholine N-oxide; dihydroquinine 9-O-(9'-phenanthryl) ether; ethylene dibromide; triethylamine; N-ethyl-N,N-diisopropylamine; potassium hexacyanoferrate(III);
In
tetrahydrofuran; methanol; dichloromethane; N,N-dimethyl-formamide; toluene; acetonitrile; tert-butyl alcohol;
1.1: Oxidation / 2.1: Rearrangement / 3.1: Acylation / 4.1: Hydrolysis / 6.1: Reduction / 7.1: Addition / 8.1: Acylation / 9.1: Oxidation / 10.1: Oxidation / 11.1: Elimination / 12.1: Metallation / 12.2: Grignard reaction / 13.1: Oxidation;
DOI:10.1039/a909898d