Cope reaction

en

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Cope reaction

Quality:

Cope reaction - elimination reaction of the N-oxide to form an alkene and a hydroxylamine. Article “Cope reaction” in English Wikipedia has 32.6 points for quality (as of July 1, 2025). The article contains 11 references and 3 sections.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that (English) language version.

In June 2025 the article “Cope reaction” was edited by 1 authors in English Wikipedia and written by 1 authors in all languages.

Since the creation of article “Cope reaction”, its content was written by 32 registered users of English Wikipedia and edited by 118 registered Wikipedia users in all languages.

The article is cited 273 times in English Wikipedia and cited 368 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #56073 in May 2005
  • Global: #56039 in April 2004

The highest popularity rank from 2008:

  • Local (English): #475676 in April 2008
  • Global: #627712 in April 2008

There are 14 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Cope reaction
32.5754
2Romanian (ro)
Reacție Cope
31.1099
3Persian (fa)
واکنش کوپ
29.4491
4Tamil (ta)
கோப் வினை
29.0676
5Spanish (es)
Eliminación de Cope
29.0298
6German (de)
Cope-Eliminierung
28.7731
7French (fr)
Réaction de Cope
25.8747
8Chinese (zh)
科普消除反应
20.63
9Japanese (ja)
コープ脱離
16.3732
10Dutch (nl)
Cope-eliminatie
15.1413
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "Cope reaction" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Cope reaction
187 243
2German (de)
Cope-Eliminierung
71 881
3Japanese (ja)
コープ脱離
18 596
4Chinese (zh)
科普消除反应
13 840
5Russian (ru)
Элиминирование по Коупу
13 307
6Italian (it)
Reazione di Cope
7 654
7French (fr)
Réaction de Cope
7 643
8Spanish (es)
Eliminación de Cope
3 645
9Dutch (nl)
Cope-eliminatie
1 985
10Polish (pl)
Reakcja eliminacji Cope’a
1 214
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2025

The most popular language versions of the article "Cope reaction" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Cope reaction
549
2German (de)
Cope-Eliminierung
150
3Chinese (zh)
科普消除反应
121
4Russian (ru)
Элиминирование по Коупу
80
5Japanese (ja)
コープ脱離
54
6Spanish (es)
Eliminación de Cope
27
7Ukrainian (uk)
Елімінування за Коупом
18
8French (fr)
Réaction de Cope
17
9Italian (it)
Reazione di Cope
15
10Polish (pl)
Reakcja eliminacji Cope’a
12
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "Cope reaction" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Cope reaction
32
2German (de)
Cope-Eliminierung
30
3Italian (it)
Reazione di Cope
9
4Japanese (ja)
コープ脱離
8
5French (fr)
Réaction de Cope
6
6Chinese (zh)
科普消除反应
6
7Dutch (nl)
Cope-eliminatie
5
8Polish (pl)
Reakcja eliminacji Cope’a
5
9Russian (ru)
Элиминирование по Коупу
5
10Persian (fa)
واکنش کوپ
4
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in June 2025

Language versions of the article "Cope reaction" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Cope reaction
1
2German (de)
Cope-Eliminierung
0
3Spanish (es)
Eliminación de Cope
0
4Persian (fa)
واکنش کوپ
0
5French (fr)
Réaction de Cope
0
6Italian (it)
Reazione di Cope
0
7Japanese (ja)
コープ脱離
0
8Dutch (nl)
Cope-eliminatie
0
9Polish (pl)
Reakcja eliminacji Cope’a
0
10Romanian (ro)
Reacție Cope
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "Cope reaction" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Cope reaction
273
2Persian (fa)
واکنش کوپ
26
3Japanese (ja)
コープ脱離
15
4German (de)
Cope-Eliminierung
11
5French (fr)
Réaction de Cope
10
6Chinese (zh)
科普消除反应
8
7Italian (it)
Reazione di Cope
6
8Dutch (nl)
Cope-eliminatie
5
9Russian (ru)
Элиминирование по Коупу
4
10Ukrainian (uk)
Елімінування за Коупом
4
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
deGerman
Cope-Eliminierung
enEnglish
Cope reaction
esSpanish
Eliminación de Cope
faPersian
واکنش کوپ
frFrench
Réaction de Cope
itItalian
Reazione di Cope
jaJapanese
コープ脱離
nlDutch
Cope-eliminatie
plPolish
Reakcja eliminacji Cope’a
roRomanian
Reacție Cope
ruRussian
Элиминирование по Коупу
taTamil
கோப் வினை
ukUkrainian
Елімінування за Коупом
zhChinese
科普消除反应

Popularity rank trends

Best Rank English:
#475676
04.2008
Global:
#627712
04.2008

AI rank trends

Best Rank English:
#56073
05.2005
Global:
#56039
04.2004

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Cope reaction from Wikipedia articles about Hofmann elimination, Amine oxide, Chugaev elimination, Selenoxide elimination and Zaitsevs rule. Whereas reading the article about Cope reaction people most often go to Wikipedia articles on Cope rearrangement, Hofmann elimination, Ei mechanism, Arthur C. Cope and Selenoxide elimination.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 21 February 2026

On 21 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Alysa Liu, Eric Dane, 2026 Winter Olympics, Rebecca Gayheart, Johannes Høsflot Klæbo, Wuthering Heights, amyotrophic lateral sclerosis, Andrew Mountbatten-Windsor, John F. Kennedy Jr..

In English Wikipedia the most popular articles on that day were: Eric Dane, Alysa Liu, Rebecca Gayheart, Jeffrey Epstein, 2026 Winter Olympics, Eileen Gu, John F. Kennedy Jr., Carolyn Bessette Kennedy, Deaths in 2026, Johannes Høsflot Klæbo.

About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information