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Synthesis of certain N1- and N4-(5-nitro-2-pyridyl)-substituted sulfonamides

✍ Scribed by S. El-Basil; K. M. Ghoneim; M. Khalifa; Y. M. Abou-Zeid

Publisher
John Wiley and Sons
Year
1969
Tongue
English
Weight
295 KB
Volume
58
Category
Article
ISSN
0022-3549

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## Abstract __N__‐(Substituted aryl/cyclohexyl)‐__N'__‐[5‐bromo‐5‐nitro‐2‐oxido‐1,3,2‐dioxaphosphorinane‐2‐yl]ureas RR'P(O)NHC(O)NHR' (__5__) were synthesized by the reactions of 2‐bromo‐2‐nitro‐1,3‐propanediol **(4)** with chlorides of aryl/cyclohexyl carbamidophosphoric acids **(3)** in the prese