Editing Markovnikov's rule (section)

{{Short description|Rule for predicting outcomes of some addition reactions}}
{{Expand language|topic=|langcode=ru|date=April 2025}}
{{More citations needed|date=April 2025}}
{{Use dmy dates|date=February 2023}}
[[Image:MarkovnikovRulePropeneHBr.svg|right|frame|Markovnikov's rule is illustrated by the reaction of [[propene]] with [[hydrobromic acid]] ]]
In [[organic chemistry]], '''Markovnikov's rule''' or '''Markownikoff's rule''' describes the outcome of some [[addition reaction]]s. The rule was formulated by Russian chemist [[Vladimir Markovnikov]] in 1870.<ref>{{cite journal|title=Ueber die Abhängigkeit der verschiedenen Vertretbarkeit des Radical wasserstoffs in den isomeren Buttersäuren|author=W. Markownikoff|trans-title= On the dependence of the different substitutions of the radical hydrogen in the isomeric butyric acids|journal= Annalen der Chemie|volume=153|issue=1|pages=228–259|year=1870|url=https://zenodo.org/record/1427295|doi=10.1002/jlac.18701530204}}</ref><ref name=Hughes>{{cite journal | doi = 10.1021/ed083p1152 | title = Was Markovnikov's Rule an Inspired Guess? | year = 2006 | last1 = Hughes | first1 = Peter | journal = Journal of Chemical Education | volume = 83 | issue = 8 | pages = 1152|bibcode = 2006JChEd..83.1152H }}</ref><ref name=Lewis>{{cite journal | doi = 10.1002/anie.202008228 | title = The Logic Behind Markovnikov's Rule: Was It an Inspired Guess? …No! | year = 2021 | last1 = Lewis | first1 = David E. | journal = Angewandte Chemie International Edition | volume = 60 | issue = 9 | pages = 4412–4421 | s2cid = 230570680 }}</ref>