反应条件
1: 80 percent / phenylhydrazine, potassium carbonate / dimethylformamide / 4 h / Heating
2: 57 percent / nitronium tetrafluoroborate / tetrahydrothiophene 1,1-dioxide / 8 h / 70 °C
3: 70 percent / H2 / palladium on charcoal / toluene / 24 h
4: 1.) sodium nitrite, conc. sulphuric acid, 2.) copper(I) bromide, conc. hydrobromic acid / 1.) below 10 deg C, 10 min, 2.) reflux, 1 h
View Scheme
参考文献
Brady, John H.; Tahir, Nazir; Wakefield, Basil J.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1984 , p. 2425 - 2428