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TBD-catalysed solventless synthesis of symmetrically N,N?-substituted ureas from primary amines and diethyl carbonate

โœ Scribed by Ballini, Roberto; Fiorini, Dennis; Maggi, Raimondo; Righi, Paolo; Sartori, Giovanni; Sartorio, Raffaella


Book ID
120972617
Publisher
Royal Society of Chemistry
Year
2003
Tongue
English
Weight
68 KB
Volume
5
Category
Article
ISSN
1463-9262

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โœ Paul D. Johnson; Sarah A. Jewell; Donna L. Romero ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 147 KB

Alkyl and aryl N-substituted 1,2,5-thiadiazolidine and 1,2,6-thiadiazinane 1,1-dioxides 6 were synthesized in good yields from the reaction of sulfuryl chloride with 2-chloroethylamine or 3-chloropropylamine hydrochlorides, respectively, followed by treatment with a primary amine and triethylamine,