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Alkylation of nitramine salts using 4,5-dichloro-1,3-diacetylimidazolidine

โœ Scribed by O. A. Luk'yanov; A. A. Onishchenko; V. S. Kosygin; V. A. Tartakovskii


Book ID
112442157
Publisher
Springer
Year
1979
Tongue
English
Weight
269 KB
Volume
28
Category
Article
ISSN
1573-9171

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โœ Calsy, Adrianne ;King, James ;Lloyd, Douglas ;Reichardt, Christian ;Struthers, M ๐Ÿ“‚ Article ๐Ÿ“… 1986 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 353 KB

N-Unsubstituted 2,3-dihydro-1,4-diazepinium salts 4 a -d are N-methylated readily (-5ad) by using iodomethane and potassium carbonate in dimethylformamide. The 2,3dihydro-5,7-diphenyl-I ,4-diazcpinium salt 4 d could be N-ethylated but not N-isopropylated, presumably for steric reasons. Vicinal crowd