To solve the question regarding the reactivity of alkyl halides in elimination reactions, we need to understand the mechanisms involved in these reactions and how the structure of alkyl halides affects their reactivity.1. Understanding
卤代烃(alkyl 卤代烃（alkylhalides）本章主要内容:1.卤代烷烃的分类和命名与制备方法.2.卤代烷烃的化学性质:取代反应、消除反应及SN1与SN2、E1与E2反应的机理、立体化学及其影响因素.3.Grignard试剂的制备与反应;Zaitesev规则及应用.4.卤代烯烃的分类与命名;双键位置对卤原子化学活性的影响.9.0卤代烃的分类与...
The reaction mechanism is discussed on the basis of the stereochemistry, isotope effects and the relative reactivity of various alkyl halides.doi:10.1016/0021-9517(73)90069-9Makoto MisonoElsevier Inc.Journal of Catalysis
1、 9.1卤代烷卤代烷第第 九九 章章 卤代烃(卤代烃(alkyl halides)9.1.1 卤代烷的命名卤代烷的命名1.普通命名法简单的一元卤代烷用相应的烷为母体,称为卤(代)某烷,或看作是烷基的卤化物。2.IUPAC2.IUPAC命名法命名法把卤代烷看作是烷烃的衍生物,把卤原子作为取代基,基团把卤代烷看作是烷烃的衍生物,...
文档介绍:卤代烃alkylhalides1. 亲核取代反应的机理及其立体化学1)双分子亲核取代反应 (SN2) 机理及其立体化学No [ CH3Cl ] [OH-] 物与芳香型卤化物是否容易发生亲核取代反应, 为什么?p-π共轭使C-X键具有部分双键的性质2)离去基团——卤原子的影响C-X键弱,X-容易离去;C-X键强,X-不易离去;X-离去倾向:I...
第九章卤代烃(alkylhalides) R-H中的H被X取代的化合物称为卤代烃,用RX表 示,X是官能团,氟代烃性质比较特殊,本章主要 讨论X=Cl,Br,I 一.卤代烃的分类、命名和同分异构 二.结构和物理性质 三.化学性质 四.亲核取代反应机理 五.芳环上的亲核取代 六.消除反应(Eliminationreaction)的机理 六.亲核取代与消除反...
elimination and acid/base reactions. An alcohol, like HOH, can act as a Nu: - or base as well as an E + or acid. H 3 C O H .. .. d - d + d + E + N u : - & b a s e E + & a c i d 3 1. SUBSTITUTION WITH HALIDES 1. SUBSTITUTION WITH HALIDES TO FORM ALKYL...
*Alkyl Halide//Organic Chemistry*Alkyl Halides*Alkyl Halide//Organic Chemistry*主要学习内容:卤代烷的种类、命名卤代烷的化学性质 亲核取代反应、消除反应、还原反应反应机理:SN1, SN2, E1, E2
Base-Promoted Elimination Reactions of Acetaldehyde N-Alkyl-N,N-Dimethylhydrazonium Salts. A Convenient Synthesis of N,N-DimethylalkylaminesSPIROISOTHIOCHROMAN-4-ONESFRIEDEL-CRAFTS REACTIONSThe title reaction was utilized for efficient conversion of SN2-reactive alkyl halides to the corresponding N,N-...
“[…]the reaction of alcohols with thionyl chloride to give alkyl halides usually proceeds in this way, with the first step in this case being ROH + SOCl2àROSOCl (these alkyl chlorosulfites can be isolated). Evidence for this mechanism is as follows: The addition of pyridine to the mixtur...