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Natural Product Research
Formerly Natural Product Letters
Volume 21, 2007 - Issue 13
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Original Articles

Synthesis of some N4-substituted isatin-3-thiosemicarbazones

H. Pervez Department of Chemistry, Bahauddin Zakariya University, Multan, 60800, PakistanCorrespondence[email protected]
,
M. S. Iqbal Department of Pharmacy, University of Sargodha, Sargodha, Pakistan
,
M. Y. Tahir Department of Chemistry, University of Sargodha, Sargodha, Pakistan
,
M. I. Choudhary H.E.J. Research Institute of Chemistry, International Center for Chemical Sciences, University of Karachi, Karachi, 75270, Pakistan
&
K. M. Khan H.E.J. Research Institute of Chemistry, International Center for Chemical Sciences, University of Karachi, Karachi, 75270, Pakistan
Pages 1178-1186 | Received 02 May 2006, Accepted 23 Aug 2006, Published online: 06 Nov 2007
 
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Abstract

In this article, we describe a simple and new method for the synthesis of some N4-substituted isatin-3-thiosemicarbazones based on the reactions of the common intermediate, methyl 2-(2-oxo-1,2-dihydro-3H-indol-3-ylidene)-1-hydrazinecarbodithioate, prepared by condensing isatin with methyl 1-hydrazinecarbodithioate, and the readily available amines in essentially a one-step reaction. The synthesized thiosemicarbazones were fully characterized by their physical, analytical, and spectral (IR, 1H-NMR, EIMS) data.

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