Home›Ring forming reactions›حلقهجوشی🌐فارسیEnglishDeutschFrançaisNederlandsPortuguêsРусскийالعربيةفارسی中文EntityQ529093· pop 12· linked from 287 articlesحلقهجوشیAlso known as annelationIn organic chemistry, annulation (; occasionally annelation) is a chemical reaction in which a new ring is constructed on a molecule.Gallery (3)Available in 11 languagesFrançaisDeutschРусскийPortuguêsالعربيةCzechNederlandsSerbianUkrainianفارسیvia Wikidata sitelinks · CC0Connectionscyclic compoundEntitychemistryEntityCategoriesRing forming reactions