Unusual transformations of phosphoryl compounds in the Kishner reduction

MZ Ovakimyan, GC Gasparyan…

Index: Ovakimyan, M. Zh.; Gasparyan; Movsisyan; Grigoryan Russian Journal of General Chemistry, 2013 , vol. 83, # 1 p. 136 - 137

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Abstract

Recently we found that triphenyl-2-methyl-2-phenylhydrazinoethylphosphonium bromide formed in the reaction of triphenylprop-2-enylphosphonium bromide I [1] with phenylhydrazine was dehydrogenated in the presence of sodium carbonate under stirring for 6 h in chloroform at room temperature to give triphenyl-2-oxopropylphosphonium bromide phenylhydrazone in a 50% yield [2].

~32%

~49%

~34%

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