Multi-step reaction with 10 steps
1.1: di-n-butyltin oxide / toluene / 2 h / Heating
1.2: 88 percent / CsF / dimethylformamide / 17 h / -15 - 20 °C
2.1: NaH / dimethylformamide / 0.5 h / 0 °C
2.2: 97 percent / dimethylformamide / 40 °C
3.1: 82 percent / acetyl chloride; CH3OH / CH2Cl2 / 0.25 h / 23 °C
4.1: NaH / dimethylformamide / 0.5 h / 0 °C
4.2: 97 percent / dimethylformamide / 40 °C
5.1: 92 percent / acetyl chloride; CH3OH / CH2Cl2 / 0.5 h / 23 °C
6.1: di-n-butyltin oxide / toluene / 2 h / Heating
6.2: 95 percent / CsF / dimethylformamide / 17 h / -15 - 20 °C
7.1: NaH / dimethylformamide / 0.5 h / 0 °C
7.2: 96 percent / dimethylformamide / 40 °C
8.1: 88 percent / p-toluenesulfonic acid; water / Pd/C / methanol / 2 h / Heating
9.1: 1H-tetrazole / CH2Cl2 / 0.5 h / 23 °C
9.2: CH2Cl2 / 12 h / 23 °C
9.3: 93 percent / m-chloroperoxybenzoic acid / CH2Cl2 / 0.5 h / -40 °C
10.1: 95 percent / trifluoroacetic acid / CH2Cl2 / 1 h / 20 °C
With
1H-tetrazole; methanol; water; sodium hydride; di(n-butyl)tin oxide; toluene-4-sulfonic acid; acetyl chloride; trifluoroacetic acid;
palladium on activated charcoal;
In
methanol; dichloromethane; N,N-dimethyl-formamide; toluene;
1.1: coordination / 1.2: Etherification / 2.1: Metallation / 2.2: Etherification / 3.1: methanolysis / 4.1: Metallation / 4.2: Etherification / 5.1: methanolysis / 6.1: coordination / 6.2: Etherification / 7.1: Metallation / 7.2: Etherification / 8.1: Hydrolysis / 9.1: Addition / 9.2: phosphorylation / 9.3: Oxidation / 10.1: acidolysis;
DOI:10.1021/jo960602u