DOI: https://doi.org/10.15587/2313-8416.2016.65209

Synthesis of the row of new functional derivatives of 7-arylalkyl-8-hydrazine theophyllines

Dmytro Korobko

Abstract


Hydrazine functional derivatives are widely used in medical practice as remedies applied for pharmacotherapy of depression, infection diseases, hypertension, diabetes, etc. It is worth mentioning that among obtained 7-R-8-hydrazine derivatives of 1,3-dimethylxantine promising substances have been identified. Due to the fact that literature sources display only results of occasional studies of the reactions between 7-R-8-hydrazine theophyllines and mono- or dicarbonyle substances, the use of other keto reagents for xanthine bicycle at 8th position functionalization will allow to explore synthetic potential of the last one, and with high probability may lead to obtaining original biologically active substances.

Aim. To study types of reaction between 8-hydrazinyl-1,3-dimethyl-7-aryl alkyl-1H-purine-2,6(3H,7H)-diones and a number of carbonyl containing reagents.

Methods. A nucleophilic addition reaction followed by dehydration or ethanol splitting was used, as well as the complex of the modern analysis methods to confirm the structure and individuality of the synthesized substances.

Results. Different directions of 8-hydrazinyl-1,3,-dimethyl-7(fenetyl-, 3-phenylpropyl-, 3-phenylalyl)-1H-purine-2,6(3H,7H)-diones chemical transformations in reactions with the appropriate carbonyl containing compounds have been studied experimentally. The structure of synthesized substances was confirmed by chromatography/mass and 1H NMR spectroscopy.

Conclusion. The group of 7-arylalkyl-8-(3,5-R,R1-pyrazole-1-yl)theophyllines, consisting of two functionally substituted bioactive heterocycles, has been synthesized by reaction between initial substances and selected mono- and dicarbonyl compounds


Keywords


synthesis; 7,8-disubstituted of 1,3-dimethylxantine; hydrazine derivatives; spectral analysis methods

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References


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GOST Style Citations


1. Zelenin, K. N. Gidrazin [Text] / K. N. Zelenin // Sorosovskij obrazovatel'nyj zhurnal. – 1998. – Vol. 5. – P. 59–65.

2. Mashkovskij, M. D. Lekarstvennye sredstva [Text] / M. D. Mashkovskij; 16th edition. – Moscow: Novaja volna, 2012. – 1216 p.

3. Martindale: The Complete Drug Reference [Text] / S. C. Sweetman (Ed.); Thirty-sixth edition. – Pharmaceutical Press, 2009. – 3694 p.

4. Rollas, S. Biological Activities of Hydrazone Derivatives [Text] / S. Rollas, S. Güniz Küçükgüzel // Molecules. – 2007. – Vol. 12, Issue 8. – P. 1910–1939. doi: 10.3390/12081910

5. Narang, R. Review on Biological Activities and Chemical Synthesis of Hydrazide Derivatives [Text] / R. Narang, B. Narasimhan, S. A. Sharma // Current Medicinal Chemistry. – 2012. – Vol. 19, Issue 4. – P. 569–612. doi: 10.2174/092986712798918789

6. Mosselhi, M. A. N. New [e]-Fused Caffeines: A Simple Synthesis of 3-Substituted [1,2,4]Triazolo[4,3- e ]purines [Text] / M. A. N. Mosselhi, N. M. Tawfik, A. S. Shawali // Monatshefte fur Chemie/Chemical Monthly. – 2003. – Vol. 134, Issue 4. – Р. 565–571. doi: 10.1007/s00706-002-0514-7

7. Petch, D. Design and synthesis of EGFR dimerization inhibitors and evaluation of their potential in the treatment of psoriasis [Text] / D. Petch, R. J. Anderson, A. Cunningham, S. E. George, D. E. Hibbs, R. Liu et. al. // Bioorganic and Medicinal Chemistry. – 2012. – Vol. 20, Issue 19. – Р. 5901–5914. doi: 10.1016/j.bmc.2012.07.048

8. Ashour, F. A. Synthesis, anticancer, anti-HIV-1, and antimicrobial activity of some tricyclic triazino and triazolo[4,3-e]purine derivatives [Text] / F. A. Ashour, S. M. Rida, S. A. M. El-Hawash, M. M. ElSemary, M. H. Badr // Medicinal Chemistry Research. – 2102. – Vol. 21, Issue 7. – P. 1107–1119. doi: 10.1007/s00044-011-9612-6

9. Korobko, D. B. Syntez i fizyko-himichni vlastyvosti dejakyh 7-aralkil-(alkenil)-8-bromo-(tio-)teofiliniv [Text]: materialy XXVIII vseukr. naukovo-prakt. konf. / D. B. Korobko, O. V. Berezovs'kyj, M. M. Palagnjuk, Je. S. Pylypiv // Liky – ljudyni. – Harkiv, 2011. – P. 263–269.

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