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Solid-state and solvent-free synthesis of azines, pyrazoles, and pyridazinones using solid hydrazine

Title
Solid-state and solvent-free synthesis of azines, pyrazoles, and pyridazinones using solid hydrazine
Authors
Lee B.Kang P.Lee K.H.Cho J.Nam W.Lee W.K.Hur N.H.
Ewha Authors
남원우
SCOPUS Author ID
남원우scopus
Issue Date
2013
Journal Title
Tetrahedron Letters
ISSN
0040-4039JCR Link
Citation
vol. 54, no. 11, pp. 1384 - 1388
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Azines, pyrazoles, and pyridazinones were isolated as the sole products in high yields (>97%) by grinding solid hydrazine (H3N +NHCO2 -) with di-carbonyl compounds or by their reaction in the absence of solvent. Neither catalysts nor additives were needed to promote the reactions. The solid-state and solvent-free reactions proceeded under ambient conditions and did not produce any wastes other than water and carbon dioxide. They are operationally easy, environmentally safe, and readily scalable, allowing for highly selective synthesis of compounds containing the hydrazine motif. Copyright© 2012 Published by Elsevier Ltd.
DOI
10.1016/j.tetlet.2012.12.106
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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