Multi-step reaction with 8 steps
1: sodium hydride / dimethylformamide / 1.) 0 deg C, 1 h, 2.) overnight, room temperature
2: 1 M hydrochloric acid / acetone / 1.5 h / Heating
3: chlorotris(triphenylphosphine)rhodium(I), 1,4-diazabicyclo<2.2.2>octane / ethanol; benzene; H2O / 4 h / Heating
4: sodium hydride / dimethylformamide / 1.) 0 deg C, 1 h, 2.) room temperature, overnight
5: 1 M hydrochloric acid / acetone / 0.33 h / Heating
6: 9 percent / toluene-p-sulphonic acid / 1,2-dichloro-ethane / 168 h / 60 °C / pH 4
7: chlorotris(triphenylphosphine)rhodium(I), 1,4-diazabicyclp<2.2.2>octane / ethanol; benzene; H2O / 7 h / Heating
8: 1 M hydrochloric acid / acetone / 6 h / Ambient temperature
With
1,4-diaza-bicyclo[2.2.2]octane; hydrogenchloride; Wilkinson's catalyst; sodium hydride; toluene-4-sulfonic acid;
In
ethanol; water; 1,2-dichloro-ethane; N,N-dimethyl-formamide; acetone; benzene;
DOI:10.1039/P19810000377