
,${\rm R_{1}}$、${\rm R_{2}}$代表烃基。回答下列问题:.
为原料合成
______${\rm (}$其余无机试剂任选${\rm )}$。
10-8 完成下列转化:-|||-O COOH-|||-(1)-|||-0 O-|||-(2) (H)_(3)C-C(H)_(2)Br OH-|||-(3) →
路线如下:-|||-C2H5O-|||-Bn C3H3BrO 21 0 Bn-|||-C2H5O-|||-H B (D)-|||--C(H)_(3)cdot H
NH4HS D (CH3CO)2O-|||-OH AlCl3 OH HCl OH H2O (C10H15NO)-|||-A B C-|||-段 (C4H10Cl
化合物P是合成抗病毒药物普拉那韦的原料,其合成路线如图。A C2H5OH Zn-|||-C2H3 BrO 浓H2SO4 H2O-|||-B-|||-0 OHO
2.完成下列反应式。-|||-(1) (H)_(3)C(H)_(2)C(H)_(2)C(O)_(2)Hxrightarrow ({(N{H)_(4))}_(2)
(H)_(3)C(H)_(2)CH=C(H)_(2)xrightarrow ({H)_(2)S(O)_(4)}-|||-b. (C(H)_(3))_(2)C=C
除草剂苯嘧磺草胺的中间体M合成路线如图。C7H4ClFO2 浓H2SO4,△B浓 _(2)S(O)_(4),Delta O2N 显 还原 E-|||-0-||
4.完成下列反应式。-|||-I (O)_(4)(H)^+gt (a)+(b)+(c)-|||-(1) (H)_(3)CH=!=!= CHC=!=!= C(H)
导电高分子材料PEDOT的一种合成路线如图。COOC2H55-|||-A C2H5OH B Na2S D COOC2H5 E-|||-ClCH2COOH C4H
[单选题]C6H5NO2+4H2O+6Fe(OH)2→()+6Fe(OH)3↓。A . C6H5NB . C6H5NOC . C6H5NHD . C6H5NH2