CH3 和Br2在光照条件下-|||-反应,得到的主要产物为() ()-|||-A Br-|||--CHC(H)_(3)-|||-CH3-|||-B Br-||
(66)解释下列事实:-|||-Br Br-|||-CH3CH=C-C H3→CH3 HBr a CH2C- - CH3 + CH3CH- -CHCH3-|||
Br-|||-(1)-|||-Br H-|||-CH3-|||-CH2CH3-|||-H Cl-|||-(2)-|||-H H-|||-CH3-|||--C(H
CH3-|||-H Br-|||-Fischer投影式-|||-CH2CH3 和下面那个投影式是同一化合物?()-|||-A C2H5-|||-H Br-|||
CH3 一-CH b. CH3CHCH 2CHCHCH3-|||-CH2 -CH-CH-CH3 CH3 CH3-|||-CH3 CH3-|||-CH3 CH3
CH3-|||-12.有机物 (H)_(3)-CH-C-C(H)_(3) 的名称是 ()-|||-CH3 CH3-|||-
CH3-|||-由 合成 =0 。-|||-CH3
CH3-|||-CH3CHCHCHCH2CH3-|||-CH3 CH2CH3 2.CH3-|||-CH3CHCHCHCH2CH3-|||-CH3 CH2CH
练习2.20 完成下列各反应式-|||-(1) -C(H)_(3)xrightarrow (HI)-|||-(2) CH3 Br2-|||-CH3 Br2-||
3.解释下述反应的主要产物为什么是-|||-CH3 CH3 Br CH3-|||-H3C -C -CH=CH2 HBr H3C -C- CH-CH3+H3C -