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J. Braz. Chem. Soc. vol.28 número2

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Table 1. Cyclocondensation reactions between 1a-l and aminoguanidine hydrochloride in the presence of KOH for the preparation of carboximidamides 2a-l
Figure 1. Proposed mechanism for the cyclocondensation reaction between 3-aryl-1-(thiophen-2-yl)prop-2-en-1-ones and aminoguanidine hydrochloride  in the presence of KOH.

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