Pechmann-Reaktion

de

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Pechmann-Reaktion

Quality:

Pechmann condensation - Named reaction for synthesis of coumarins. Article “Pechmann-Reaktion” in German Wikipedia has 28.3 points for quality (as of July 1, 2025). The article contains 3 references and 5 sections.

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

Since the creation of article “Pechmann-Reaktion”, its content was written by 23 registered users of German Wikipedia and edited by 85 registered Wikipedia users in all languages.

The article is cited 14 times in German Wikipedia and cited 272 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (German): #22962 in May 2020
  • Global: #166854 in November 2011

The highest popularity rank from 2008:

  • Local (German): #377630 in December 2008
  • Global: #618030 in April 2013

There are 8 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)
Pechmann condensation
40.5436
2Chinese (zh)
佩希曼缩合反应
32.6262
3Spanish (es)
Condensación de Pechmann
30.8731
4Ukrainian (uk)
Конденсація Пехмана
29.6068
5German (de)
Pechmann-Reaktion
28.2583
6Persian (fa)
تراکم پچمان
19.759
7Italian (it)
Condensazione di Pechmann
19.0804
8Japanese (ja)
ペヒマン縮合
12.6779
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 "Pechmann-Reaktion" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Pechmann condensation
203 481
2Spanish (es)
Condensación de Pechmann
31 083
3Japanese (ja)
ペヒマン縮合
23 150
4German (de)
Pechmann-Reaktion
19 647
5Chinese (zh)
佩希曼缩合反应
11 078
6Italian (it)
Condensazione di Pechmann
2 128
7Persian (fa)
تراکم پچمان
1 728
8Ukrainian (uk)
Конденсація Пехмана
496
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 "Pechmann-Reaktion" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Pechmann condensation
737
2Japanese (ja)
ペヒマン縮合
69
3Spanish (es)
Condensación de Pechmann
54
4German (de)
Pechmann-Reaktion
49
5Chinese (zh)
佩希曼缩合反应
42
6Italian (it)
Condensazione di Pechmann
23
7Ukrainian (uk)
Конденсація Пехмана
14
8Persian (fa)
تراکم پچمان
7
More...

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

The highest AI

Language versions of the article "Pechmann-Reaktion" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1German (de)
Pechmann-Reaktion
23
2English (en)
Pechmann condensation
23
3Italian (it)
Condensazione di Pechmann
12
4Japanese (ja)
ペヒマン縮合
10
5Spanish (es)
Condensación de Pechmann
7
6Persian (fa)
تراکم پچمان
4
7Ukrainian (uk)
Конденсація Пехмана
3
8Chinese (zh)
佩希曼缩合反应
3
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 "Pechmann-Reaktion" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Pechmann condensation
2
2German (de)
Pechmann-Reaktion
0
3Spanish (es)
Condensación de Pechmann
0
4Persian (fa)
تراکم پچمان
0
5Italian (it)
Condensazione di Pechmann
0
6Japanese (ja)
ペヒマン縮合
0
7Ukrainian (uk)
Конденсація Пехмана
0
8Chinese (zh)
佩希曼缩合反应
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 "Pechmann-Reaktion" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Pechmann condensation
234
2German (de)
Pechmann-Reaktion
14
3Spanish (es)
Condensación de Pechmann
6
4Persian (fa)
تراکم پچمان
5
5Chinese (zh)
佩希曼缩合反应
5
6Japanese (ja)
ペヒマン縮合
4
7Ukrainian (uk)
Конденсація Пехмана
4
8Italian (it)
Condensazione di Pechmann
0
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
deGerman
Pechmann-Reaktion
enEnglish
Pechmann condensation
esSpanish
Condensación de Pechmann
faPersian
تراکم پچمان
itItalian
Condensazione di Pechmann
jaJapanese
ペヒマン縮合
ukUkrainian
Конденсація Пехмана
zhChinese
佩希曼缩合反应

Popularity rank trends

Best Rank German:
#377630
12.2008
Global:
#618030
04.2013

AI rank trends

Best Rank German:
#22962
05.2020
Global:
#166854
11.2011

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Pechmann condensation from Wikipedia articles about Coumarin, Perkin reaction, Umbelliferone, List of organic reactions and Hans von Pechmann. Whereas reading the article about Pechmann condensation people most often go to Wikipedia articles on Kostanecki acylation, Coumarin, Umbelliferone, Hans von Pechmann and Perkin reaction.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 28 January 2026

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In German Wikipedia the most popular articles on that day were: Whitney Houston, Fall Gil Ofarim, Gil Ofarim, Handball-Europameisterschaft der Männer 2026, Der neue Freund, Tova Friedman, Sven Schulze (Politiker, 1979), Liste der größten Auslegerbrücken, Bobbi Kristina Brown, Patricia Aulitzky.

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