Pechmann condensation
id:
pechmann-condensation-307-11410397
title:
Pechmann condensation
text:
The Pechmann condensation is a synthesis of coumarins, starting from a phenol and a carboxylic acid or ester containing a β-carbonyl group. The condensation is performed under acidic conditions. The mechanism involves an esterification/transesterification followed by attack of the activated carbonyl ortho to the oxygen to generate the new ring. The final step is a dehydration, as seen following an aldol condensation. It was discovered by the German chemist Hans von Pechmann
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brand slug:
wiki
category slug:
encyclopedia
description:
Named reaction for synthesis of coumarins
original url:
https://en.wikipedia.org/wiki/Pechmann_condensation
date created:
date modified:
2024-02-04T15:35:43Z
main entity:
{"identifier":"Q900411","url":"https://www.wikidata.org/entity/Q900411"}
image:
fields total:
13
integrity:
14