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Reaction of diethyl 3-methyl-1,2-butadienylphosphonate with 1,10-diaza-18-crown-6
Authors
Cherkasov R.
Khusainova N.
+4 more
Krivolapov D.
Litvinov B.
Rybakov S.
Safin D.
Publication date
1 January 2009
Publisher
Abstract
Reaction of two-fold excess of diethyl 3-methyl-1,2-butadienylphosphonate with 1,10-diaza-18- crown-6 leads to the formation of an adduct whose molecule includes two 1-phosphoryl-3-methyl-2-butene fragments bound together by a crown bridge with the anti location of organophosphorus groups relative to the macrocycle plane. The 1,2-multiple bond of the phosphonate is involved in the reaction. Extraction properties of the diphosphorylated crown ether toward alkali metal picrates were studied. © Pleiades Publishing, Ltd., 2009
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Last time updated on 07/05/2019