Multicomponent domino reactions of acetylenedicarboxylates: divergent synthesis of multi-functionalized pyrazolones and C-tethered bispyrazol-5-ols

An efficient and practical methodology of selectively divergent synthesis of arylidene pyrazolones and C-tethered bispyrazol-5-ols via multicomponent domino reactions of acetylenedicarboxylates, phenylhydrazine and aromatic aldehydes has been developed. The electron-donating aryl groups (EDAG)-attac...

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Veröffentlicht in:	Tetrahedron letters 2012-06, Vol.53 (25), p.3169-3172
Hauptverfasser:	Tu, Xing-Chao, Feng, Hui, Tu, Man-Su, Jiang, Bo, Wang, Shu-Liang, Tu, Shu-Jiang
Format:	Artikel
Sprache:	eng
Schlagworte:	Aldehydes Aromatic compounds Arylidene pyrazolones C-tethered bispyrazol-5-ols Cascade chemical reactions Divergent synthesis Formations Multicomponent domino reactions Pyrazole Pyrazolones Synthesis (chemistry) Tetrahedrons
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