🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsРусскийالعربيةفارسیहिन्दी中文日本語EntityQ813746· pop 21· linked from 267 articlesBeckmann rearrangementchemical rearrangementConnectionsaromaticityEntityoximeEntityCategoriesAmide synthesis reactionsName reactionsNitrogen heterocycle forming reactionsRearrangement reactionsRing expansion reactions