反应条件
1: (i) NaNO2, aq. HCl, (ii) CuCl 2: SnCl2, aq. HCl 3: (i) aq. NaNO2, aq. HCl, (ii) /BRN= 1697325/, CuSO4, Na2SO3, NaOAc 4: HCHO, MeOH, aq. KOH 5: SOCl2, Py / diethyl ether / Heating 7: aq. KOH View Scheme
参考文献
Munavalli,S. et al.
Bulletin de la Societe Chimique de France, 1966 , p. 3311 - 3318