马氏规则(Markovnikov's Rule)反应机理链接: http://chem.kingdraw.cn/Shortlink?id=20210326223000马尔科夫尼科夫规则(Markovnikov规则),又称马氏规则,是有机化学中一个基于扎伊采夫规则的区域选择性…
1.Markovnikov's rule is contrary to anti-Markovnikov's rule in surface,but both of them have the inherent unity.马氏规则和反马氏规则表面相反,但两者有内在的统一性。 2.Based on electron-effect and reaction mechanism,this article discusses Markovnikov's rule,lists several conditions anti-Markovnikov...
分子式:CAS号:性质:不对称烯烃与卤化氢等亲电试剂发生加成反应的取向与按马氏规则预测的取向不一致时,称为反马尔可夫尼可夫规则。反马氏规则的情况大致有两种:(1)在光及过氧化物作用下,发生了游离基加成反应(参见过氧化物效应);(2)当亲电试剂中氢原子的电负性大于所连的原子或原子团时,从形式上看加成的取向是违反...
马尔科夫尼科夫规则(Markovnikov规则),又称马氏规则,是有机化学中一个基于扎伊采夫规则的区域选择性经验规则,其内容即:当发生亲电加成反应(如卤化氢和烯烃的反应)时,亲电试剂中的正电基团(如氢)总是加在连氢最多(取代最少)的碳原子上,而负电基团(如卤素)则会加在连氢最少(取代最多)的碳原子上。这个规则是由俄...
the empirical rule that when an alkene combines with a hydrogen halide, the halogen atom becomes attached to the double-bonded carbon atom connected to the least number of hydrogen atoms 例句 释义: 全部,马尔科夫尼科夫规则,马氏规则,马尔科夫尼可夫规则 更多例句筛选 1. Markovnikov's rule is contrary to...
Markovnikov’s rule is a rule that can be used to predict the outcomes of some addition reactions. Learn about Markovnikov’s rule with examples of Markovnikov and anti-Markovnikov reactions
In the absence of these catalysts, Markovnikov's Rule remains valid. In conclusion, the Antimarkovnikov Rule challenges the conventional wisdom of Markovnikov's Rule and provides a unique pathway for addition reactions. Through the presence of specific catalysts, such as peroxides, the Antimarkovnikov...
Markovnikov's ruleAnnalen Der Pharmacie
The meaning of MARKOVNIKOV RULE is a statement in chemistry: in the addition of compounds to olefins the negative portion of the compound added (as the bromine in hydrogen bromide) becomes attached to the least hydrogenated end of the carbon-carbon doubl
Markovnikovrule 有机反应中的一条规律。1870年由 B.B.马尔科夫尼科夫发现。马氏规则规定:在烯烃的亲电加成反应中,加成试剂的正性基团将加到烯烃双键 ( 或叁键)带取代基较少 (或含氢较多 )的碳原子上 。它阐明了在加成试剂与烯烃发生反应中,如可能产生两种异构体时,为何往往只产生其中的一种。例如,在卤化氢对...