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The Bu4NI/t-BuOOH oxidative system is widely used in organic synthesis, but mechanistic principles underlying its reactivity are only partially explored. In this work, drawing on the example of the oxidative C–O coupling reaction between compounds with a carbonyl group and (or) a benzyl moiety...
The paper proposes a new one-pot ozonolytic synthesis of acylhydrazones from phenylacrolein acetals, which includes ozonolytic cleavage of the substrate in methanol and treatment of the intermediate peroxides with hydrazides of capric, nicotinic, isonicotinic, benzoic, and para-hydroxybenzoic...
A possibility of preparation of 1,2,4-triazines with a residue of 2-amino-1,3,4-thiadiazoles at the C5 position by the solvent-free reaction of ipso-amination of 3,6-di(het)aryl-1,2,4-triazine-5-carbonitriles has been studied. It has been found that the reaction also leads to the corresponding...
The condensation of arylpropargyl aldehydes with malonic acid in AcOH has led to the formation of 2-(3-arylprop-2-yn-1-ylidene)malonic acids in 68–85% yields. A similar reaction with 4-fluorophenylpropargyl aldehyde in ethanol in the presence of 2-aminopyridine has resulted in intramolecular...
Transformation of H2PtCl6 over time under the action of 2-octanol has been studied by NMR, IR spectroscopy, GLC, and GC/MS. It has been found for the first time that the alcohol in a H2PtCl6 ⋅ 6H2O–2-octanol solution is hydrochlorinated to give 2-chlorooctane. Dehydrated platinum chlorides...
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