反应条件
1: concd. H2SO4 / methanol 2: SOCl2, DMF / toluene / 0.5 h / Heating 3: NaN3 / acetone; H2O / 1 h 4: 1.5 h / Heating 5: 85 percent / K2CO3 / acetonitrile / 4 h / Heating 6: 77 percent / 30percent ethanolic HCl / ethyl acetate / 1 h / Ambient temperature 7: 1.) FeCl3*6H2O, activated carbon, 2.) hydrazine monohydrate / 1.) MeOH, THF, reflux, 30 min, 2.) MeOH, THF, reflux, 14 h View Scheme
参考文献
HETERO RESEARCH FOUNDATION; PARTHASARADHI REDDY, Bandi; RATHNAKAR REDDY, Dasari; MURALIDHARA REDDY, Dasari; RAJI REDDY, Rapolu; RAMAKRISHNA REDDY, Matta; VAMSI KRISHNA, Bandi
Patent: WO2011/145100 A1, 2011 ;
