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3-Bromo- and 3-iodo-N,S-dibenzyl-5-mercapto-1,2,4-triazoles were prepared and demonstrated as versatile building blocks for Suzuki–Miyaura cross-coupling with aryl, heteroaryl, and vinyl boronic acid derivatives. Deprotection of the resulting coupling products provided 5-substituted-3-mercapto-1,2,4-triazoles in good overall yields. This represents a novel and convenient approach for the introduction...
The Beckmann rearrangement of five ketoximes was done in 17 different ionic liquids by using four Lewis acids. The effect of the type of cation and the type of anion in the ionic liquid on the rate of the rearrangement reaction and product composition is compared and discussed. The effects of the hydrophobicity and the hydrogen bonding ability of ionic liquids on the rearrangement of ketoximes were...
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