Multi-step reaction with 9 steps
1: sodium nitrite; sulfuric acid / water / 5 h / 0 - 20 °C
2: potassium carbonate / N,N-dimethyl-formamide / 24.5 h / 0 - 20 °C
3: trimethylsilyl trifluoromethanesulfonate / dichloromethane; diethyl ether / 1 h / -20 - -10 °C / Molecular sieve
4: 2,3-dicyano-5,6-dichloro-p-benzoquinone / dichloromethane; aq. phosphate buffer / 1.5 h / 0 - 20 °C
5: trimethylsilyl trifluoromethanesulfonate / dichloromethane; diethyl ether / 1 h / -20 - -10 °C / Molecular sieve
6: pyridine / 24 h
7: (1,5-cyclooctadiene)[bis(methyldiphenylphosphine)]iridium(I) hexafluorophosphate; hydrogen / tetrahydrofuran / 0.5 h
8: pyridine; hydrazine hydrate; acetic acid / dichloromethane / 0.42 h
9: iodine / water; tetrahydrofuran / 3 h
With
pyridine; (1,5-cyclooctadiene)[bis(methyldiphenylphosphine)]iridium(I) hexafluorophosphate; trimethylsilyl trifluoromethanesulfonate; sulfuric acid; hydrogen; iodine; potassium carbonate; hydrazine hydrate; acetic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone; sodium nitrite;
In
tetrahydrofuran; aq. phosphate buffer; diethyl ether; dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1039/c3cc43545h