Interaction of 1-acylamino-2,2-dichloroethenyl(triphenyl)phosphonium chlorides with alkanolamines
PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS(2020)
Abstract
It is shown that the interaction of 1-acylamino-2,2-dichloroethenyl(triphenyl)-phosphonium chlorides with alkanolamines having a primary amino group results in the formation of 4-oxazolylphosphonium salts containing hydroxyalkylamine substituents at position 5 of the oxazole cycle. Under similar conditions the reaction of N-substituted alkanolamines with 1-acylamino-2,2-dichloroethenyl-(triphenyl)phosphonium chlorides leads to the formation of 1,3-oxazolidin-2-ylidene derivatives, in which the triphenylphosphonium group is located in the side chain. The structure of the new synthesized compounds has been reliably proven by elemental analysis, IR, H-1, C-13, P-31 NMR spectroscopy, mass spectrometry and single crystal X-ray diffraction.
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Key words
1-Acylamino-2,2-dichloroethenyl(triphenyl)phosphonium salts,5-amino-4-oxazolylphosphonium salts,1,3-oxazolidin-2-ylidene,monoethanolamine,N-methylmonoethanolamine,alkanolamines
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