The Reactions of N-Chloramines with Trialkyl Phosphites.
نویسندگان
چکیده
منابع مشابه
One-pot Three-component Synthesis of Phosphonate Derivatives
The stable phosphonate derivatives have easily synthesized by the reactions involving trialkyl(aryl) phosphites and dimethyl acetylenedicarboxylate in the presence of 4-nitrophenol and/or acid chlorides, dialkyl(aryl) phosphites and N-methylimidazole at 70 oC under solventfree conditions.
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An efficient synthesis of vinylphosphonates is described. This involves the reaction of alkyl cyanoformates and dialkyl acetylendicarboxylates in the presence of trialkyl phosphites. The 1H, 13C NMR, and 31P NMR spectra of vinylphosphonates having different substitution are consistent with the presence of two geometrical isomers.
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The reaction of 3-mercapto-6-methyl-1, 2, 4-triazin-5 (2H)-one 1 with dimethyl 2a and trimethyl phosphite 3a at 100 C in absence of solvent yields the dimeric product 4 and while the alkylated products 5 and 6 are obtained for reaction with 3a. Methylation of 1 by methyl iodide gives alkylated product 5. Reaction of 1 with diethyl 2b and triethyl phosphite 3b by the same previous conditions yie...
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The stability of aqueous solutions of organic N-chloramines, suspected of contaminating chlorinated water, has been studied. Two factors influence the decomposition of solutions of N-chloropiperidine and N-chlorodiethylamine: a spontaneous decomposition and photodecomposition. Since solutions of these compounds are relatively long-lived, a need for an analytical method for their identification ...
متن کاملdeterminant of the hankel matrix with binomial entries
abstract in this thesis at first we comput the determinant of hankel matrix with enteries a_k (x)=?_(m=0)^k??((2k+2-m)¦(k-m)) x^m ? by using a new operator, ? and by writing and solving differential equation of order two at points x=2 and x=-2 . also we show that this determinant under k-binomial transformation is invariant.
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ژورنال
عنوان ژورنال: NIPPON KAGAKU KAISHI
سال: 1992
ISSN: 2185-0925,0369-4577
DOI: 10.1246/nikkashi.1992.1344