Organic bases catalyze the synthesis of urea from ammonium salts derived from recovered environmental ammonia.

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ID: 97518
2020
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Abstract
Ammonia from sewage and livestock manure is a major environmental pollutant. To consume environmental ammonia, we investigated the organic base-catalyzed synthesis of urea. 1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU) catalyzes the conversion of ammonium carbamate to urea in 35% yield at 100 °C. Moreover, DBU also converts other ammonium salts into urea. A mechanism that involves nucleophilic attack of ammonia following ion exchange is proposed.
Reference Key
manaka2020organicscientific Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Manaka, Yuichi;Nagatsuka, Yuki;Motokura, Ken;
Journal Scientific reports
Year 2020
DOI
10.1038/s41598-020-59795-6
URL
Keywords
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