Reactions of 5-(Trialkyl)silylpent-1-en-4-yn-3-ones with Hydrazines: Original Synthetic Routes to Luminescent Substances Containing Azole Motifs
Alexander A. Golovanov,
Ivan S. Odin,
Kareem V. Gordon
et al.
Abstract:On the basis of the selective reactions of hydrazines with trialkylsilyl-substituted cross-conjugated enynones (pent-1-en-4-yn-3-ones) as fundamental building blocks, this work presents the developed common methodology for the synthesis of polysubstituted luminescent derivatives of acetylenic pyrazolines, pyrazoles, and combined polyheterocycles containing structural fragments from pyrazolines, isoxazoles, thiophenes, thiazoles, benzo[d]thiazoles, and benzo[d]imidazoles. In reactions with hydrazine and its mon… Show more
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