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Despite many uses of organophosphates, the organophosphates are noxious and harmful substances, and their selective detection is a critical concern in the context of the environment, physiology, and social security. In a methodological quest, here we have synthesized two Schiff base compounds <jats:bold>1<\/jats:bold> and <jats:bold>2<\/jats:bold> by introducing the hydroxyl group at the \u03b1\u2010position of 3\u2010pyrrolyl BODIPY either directly as hydroxylamine <jats:bold>1<\/jats:bold> or at the ortho position of aryl ring as 2\u2010aminophenol <jats:bold>2<\/jats:bold>. Both compounds <jats:bold>1<\/jats:bold> and <jats:bold>2<\/jats:bold> exhibited high selectivity and high sensitivity for DCP over other pesticides in the aqueous\u2010alcoholic medium at physiological pH. This occurs via nucleophilic phosphorylation of the hydroxyl group, which resulted in both compounds exhibiting two different optical signals following the structure\u2010function correlation of the pyrrolyl BODIPY systems. Upon binding DCP, compound <jats:bold>1<\/jats:bold> showed a quenching in the optical spectrum because of phosphorylation of hydroxyl group whereas compound <jats:bold>2<\/jats:bold> exhibited enhancements in both absorption and fluorescence spectra because of hydroxyl phosphorylation followed by intramolecular cyclization. Furthermore, the fluorescent microscopy experiments also indicated that the compound could be used as a fluorescent compound for sensing DCP in plant tissues.<\/jats:p>","DOI":"10.1002\/cplu.202300132","type":"journal-article","created":{"date-parts":[[2023,4,28]],"date-time":"2023-04-28T12:35:14Z","timestamp":1682685314000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["3\u2010Pyrrolyl BODIPY Based Schiff Base Fluorophores: A Selective Chemodosimetric and Optical Sensor for Diethyl Chlorophosphate"],"prefix":"10.1002","volume":"88","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4016-9033","authenticated-orcid":false,"given":"Kanhu Charan","family":"Behera","sequence":"first","affiliation":[{"name":"Department of Chemistry Indian Institute of Technology Bombay Powai  Mumbai 400076 India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roshnara","family":"Mohanty","sequence":"additional","affiliation":[{"name":"CSIR \u2013 National Environmental Engineering Research Institute Chennai Zonal Laboratory  Chennai 600113 India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0193-6081","authenticated-orcid":false,"given":"Mangalampalli","family":"Ravikanth","sequence":"additional","affiliation":[{"name":"Department of Chemistry Indian Institute of Technology Bombay Powai  Mumbai 400076 India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,5,23]]},"reference":[{"key":"e_1_2_9_1_1","doi-asserted-by":"publisher","DOI":"10.1016\/0163-7258(93)90066-M"},{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF03259890"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1097\/00007691-200202000-00022"},{"key":"e_1_2_9_4_1","doi-asserted-by":"crossref","unstructured":"S.\u2005I. 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