a simple and efficient route for preparing 2,3,5,6-tetraaminopyridine hydrochloride salt
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ID: 215018
2009
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Abstract
A simple and efficient route for preparing 2,3,5,6-tetraaminopyridine hydrochloride salt (TAP·3HCl·H2O) was introduced in this paper. The title compound was synthesized, as usual, in two steps (nitration and hydrogenation) with a total yield of 90%. The use of an oleum and fuming nitric acid mixture in the nitration step improved the yield and purity of the intermediate product. A highly efficient hydrogenation using a H2/Pd/C/C2H5OH system was developed. The products were characterized by TG, IR, 1H-NMR, 13C-NMR, HPLC and elemental analysis.
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wang2009moleculesa
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|---|---|
| Authors | ;Yanhong Wang;Zhen Hu;Xiangli Meng;Jiehui Jing;Yuanjun Song;Chunhua Zhang;Yudong Huang |
| Journal | Journal of ethnopharmacology |
| Year | 2009 |
| DOI |
10.3390/molecules14051652
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