的反应 OH NaoH CH3(CH2) CHO CH3NO2 CH3 (CH2) CHCH2NO2 CH3,OH O Ch3nO2 Naoh O RCH CH,NO RCHCh2NO2 CH3 CH,OH OH RCHCH2NO 2
a-H的反应 NaOH CH3CH2OH CH3(CH2)7CHO + CH3NO2 CH3(CH2)7CHCH2NO2 OH CH3NO2 NaOH CH2NO2 RCH O RCHCH2NO2 O- CH3CH2OH RCHCH2NO2 OH
m化合物的还原友应 CH3 CH nO2 NH Ho/ ni CH(CH3h 87~90 CH(CH3h2 nO2 H/Pt Etoh C(CH3)3 100 C(CH
硝基化合物的还原反应 CH 3 CH(CH 3 ) 2 NO 2 H 2/ N i CH 3 CH(C H 3 ) 2 NH 2 87 ~ 90% NO 2 C(CH 3 ) 3 NH 2 C(CH 3 ) 3 H 2/ P t 100% EtO H
CH3 CH nO2 常用: Fe/hcl NH2 Fe/HCl Zn/HCl EtOH.△ NO 74 NH nO2 NH NH 12 Sncl s Naoh 浓HCl CHO CHO CHO
CH3 NO2 NO2 Fe / HCl EtOH, CH3 NH2 NH2 74% NO2 CHO NH3 CHO NH2 CHO 浓 HCl SnCl2 NaOH 常用: Fe / HCl Zn / HCl
Na2S, NasH, (NH4)2S, NH4SH NO NasH EtOH.△ NO2 75 9~85 nO? NH NH2 nO NH2 H2s, NH4OH EtOH.△ NO252~58%NO2
Na2S, NaSH, (NH4)2S, NH4SH NO2 NO2 NH2 NO2 NaSH EtOH, NH2 NO2 NO2 NH2 NO2 NH2 79 ~ 85% H2S, NH4OH EtOH, 52 ~ 58%