2H-Pyran-2-one-3-carbothioamide Derivatives: Synthesis and Reaction with Hydrazine Hydrate

被引：6

作者：

Makhloufi-Chebli, Malika ^{[1
]}

Hamdi, Maamar ^{[1
]}

Silva, Artur M. S. ^{[2
,3
]}

Duval, Olivier ^{[4
]}

Helesbeux, Jean-Jacques ^{[4
]}

机构：

[1] Univ Sci & Technol Houari Boumediene, Lab Chim Organ Appl, Grp Heterocycles Associe CRAPC, Fac Chim, Bab Ezzouar 16111, Alger, Algeria

[2] Univ Aveiro, Dept Chem, P-3810193 Aveiro, Portugal

[3] Univ Aveiro, QOPNA, P-3810193 Aveiro, Portugal

[4] UFR Univ Sci Pharmaceut & Ingn Sante, Lab SONAS, F-49045 Angers 1, France

来源：

JOURNAL OF HETEROCYCLIC CHEMISTRY | 2009年 / 46卷 / 01期

关键词：

ALPHA-PYRONES; CATALYZED SYNTHESIS; STILLE REACTION; 2-PYRONES; PALLADIUM; 4-HYDROXYCOUMARIN; HYDROGENATION; INHIBITORS;

D O I：

10.1002/jhet.2

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

N-Aryl-4-hydroxy-6-methyl-2H-pyran-2-one-3-carbothiamides and N-aryl-4-hydroxycoumarin-3-carbothiamides were synthesized by the reaction of arylisothiocyanates with 4-hydroxy-6-methylpyran-2-one and 4-hydroxycoumarin, respectively. Novel products 3-[bis(arylamino)methylene]-6-methyl-2H,4H-pyran-2,4-diones and N,N'-diaryl-4-hydroxycoumarin-3-carboximidamides have also been obtained in the same reactions. Novel 4-acetoacetyl-3-phenylamino-4,5-dihydro-5H-pyrazo1-5-ones were synthesized from the reaction of N-aryl-4-hydroxy-6-methyl-2H-pyran-2-one-3-carbothiamides with an excess of hydrazine. The structure of all compounds was established by NMR and mass spectra.

引用

页码：18 / 22

页数：5

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