CH3 一-CH b. CH3CHCH 2CHCHCH3-|||-CH2 -CH-CH-CH3 CH3 CH3-|||-CH3 CH3-|||-CH3 CH3
CH3-|||-CH3CHCHCHCH2CH3-|||-CH3 CH2CH3 2.CH3-|||-CH3CHCHCHCH2CH3-|||-CH3 CH2CH
(66)解释下列事实:-|||-Br Br-|||-CH3CH=C-C H3→CH3 HBr a CH2C- - CH3 + CH3CH- -CHCH3-|||
12.[填空题]-|||-_(H)_(3)-CH-C(H)_(2)-CH-CH-CH-C(H)_(3)-|||-CH3 CH2 CH2 CH3-|||-CH3
[单选题]CH3(CH2)2CH2+(Ⅰ);CH3CH+CH2CH3(Ⅱ);(CH3)3C+(Ⅲ)三种碳正离子的稳定性顺序如何?()A . (Ⅰ)>(Ⅱ)>(Ⅲ);B . (Ⅰ)<(Ⅱ)<(Ⅲ);C . (Ⅱ)>(Ⅰ)>(Ⅲ);D . (Ⅱ)>(Ⅲ)>(Ⅰ)。
A CH3CH2 CHCH=C HCH3-|||-CH2-|||-CH3CHCH CH=CHCH3-|||-CH3-|||-(H)_(2)C(H)_(2)CHC
CH3-|||-由 合成 =0 。-|||-CH3
6.6 将下列化合物按SN1机理反应的活性由大至小排列。-|||-a.(CH3)2 CHBr b.(CH3)3 CI c.(CH3)3 CBr
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 -
命名下列化合物。(1)(CH3)3CC≡CCH2C(CH3)3 (4)(2)CH3CH=CHCH(CH3)C≡CCH3 (5)(3)HC≡CC≡CCH=CH2命