Synthesis of 3-R2-4-R 1-acetyl-(ethoxycarbonyl)-6-hydroxy-6-methylindazoles

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作者
Sorokin, V.V. [1 ]
Grigor'ev, A.V. [1 ]
Ramazanov, A.K. [1 ]
Krivenko, A.P. [1 ]
机构
[1] N. G. Chernyshevskii Saratov State University, Saratov, Russia
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Chemistry of Heterocyclic Compounds | 1999年 / 35卷 / 06期
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It was discovered that functionally substituted tetrahydroindazoles can be aromatized by the action of sulfur. Previously unknown 3-R2-4-R1-5-acetyl(ethoxycarbonyl)-6-methylindazoles were obtained. The products from aromatization cannot be obtained if a nitro group is introduced or one heteroatom in the substrate is replaced by oxygen. ©1999 KluwerAcademic/Plenum Publishers.
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页码:671 / 673
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