Abstract
Five possible paths of the formation of imidazo[2,1-b][1,3]thiazole fused heterocyclic system in the reaction of 4,5-dihydro-1H-imidazole-2-thiol with 1-iodopropan-2-one have been simulated by DFT B3LYP quantum chemical calculations. Analysis of the thermodynamic and kinetic parameters of the reaction has revealed two most probable paths leading to two isomeric structures. It has been found that the formation of fused heterocyclic system is possible only with participation of triiodide ion.
Similar content being viewed by others
References
Yan, K., Lok, C.-N., Bierlab, K., and Che, C.-M., Chem. Commun., 2010, vol. 46, p. 7691. doi https://doi.org/10.1039/c0cc01058h
Lin, I.W.-S., Lok, C.-N., Yan, K., and Che, C.-M., Chem. Commun., 2013, vol. 49, p. 3297. doi https://doi.org/10.1039/c3cc00063j3
Granik, V.G. and Grigor’ev, N.B., Russ. Chem. Bull., Int. Ed., 2002, vol. 51, p. 1973. doi https://doi.org/10.1023/A:1021611422169
Johnston, G.A.R., Clin. Exp. Pharmacol. Physiol., 1992, vol. 19, p. 73. doi https://doi.org/10.1111/j.1440-1681.1992.tb00401.x
Bogatskii, A.V., Luk’yanenko, N.G., and Kirichenko, T.I., Chem. Heterocycl. Compd., 1983, vol. 19, p. 577. doi https://doi.org/10.1007/BF005230646
Nomoto, Y., Obase, H., Takai, H., Hirata, T., Teranishi, M., Nakamura, J., Ohno, T., and Kubo, K., Chem. Pharm. Bull., 1990, vol. 38, p. 2467.
Li, J.J., Limberakis, C., and Pflum, D.A., Modern Organic Synthesis in the Laboratory, Oxford: Oxford Univ., 2007, p. 9.
Minch, B.A., Hickenboth, C.R., Karabin, R.F., Zawacky, S.R., Hockswender, T.R., and McCollum, J.J., US Patent no. 8492542, 2013.
Shagun, L.G., Dorofeev, I.A., Zhilitskaya, L.V., Yarosh, N.O., and Larina, L.I., Chem. Heterocycl. Compd., 2017, vol. 53, p. 920. https://doi.org/10.1007/s10593-017-2146-1
Becke, A.D., J. Chem. Phys., 1993, vol. 98, p. 5648. https://doi.org/10.1063/1.4649131
Frisch, M.J., Trucks, G.W., Schlegel, H.B., Scuseria, G.E., Robb, M.A., Cheeseman, J.R., Scalmani, G., Barone, V., Mennucci, B., Petersson, G.A., Nakatsuji, H., Caricato, M., Li, X., Hratchian, H.P., Izmaylov, A.F., Bloino, J., Zheng, G., Sonnenberg, J.L., Hada, M., Ehara, M., Toyota, K., Fukuda, R., Hasegawa, J., Ishida, M., Nakajima, T., Honda, Y., Kitao, O., Nakai, H., Vreven, T., Montgomery, J.A., Jr., Peralta, J.E., Ogliaro, F., Bearpark, M., Heyd, J.J., Brothers, E., Kudin, K.N., Staroverov, V.N., Kobayashi, R., Normand, J., Raghavachari, K., Rendell, A., Burant, J.C., Iyengar, S.S., Tomasi, J., Cossi, M., Rega, N., Millam, J.M., Klene, M., Knox, J.E., Cross, J.B., Bakken, V., Adamo, C., Jaramillo, J., Gomperts, R., Stratmann, R.E., Yazyev, O., Austin, A.J., Cammi, R., Pomelli, C., Ochterski, J.W., Martin, R.L., Morokuma, K., Zakrzewski, V.G., Voth, G.A., Salvador, P., Dannenberg, J.J., Dapprich, S., Daniels, A.D., Farkas, Ö., Foresman, J.B., Ortiz, J.V., Cioslowski, J., and Fox, D.J. Gaussian 09, Revision A.01, Wallingford CT: Gaussian, 2009.
Peng, C. and Schlegel, H.B., Isr. J. Chem., 1993, vol. 33, p. 449.
Shagun, V.A., Yarosh, N.O., and Shagun, L.G., Russ. J. Org. Chem., 2015, vol. 51, p. 1464. doi https://doi.org/10.1134/S107042801510019X
Shagun, V.A., Yarosh, N.O., and Shagun, L.G., Russ. J. Org. Chem., 2015, vol. 51, p. 893. doi https://doi.org/10.1134/S1070428015060135
Shagun, V.A., Zhilitskaya, L.V., and Shagun, L.G., Russ. J. Org. Chem., 2016, vol. 52, p. 1000. doi https://doi.org/10.1134/S1070428016070137
Shagun, V.A., Zhilitskaya, L.V., and Shagun, L.G., Russ. J. Org. Chem., 2016, vol. 52, p. 1640. doi https://doi.org/10.1134/S1070428016110154
Shagun, V.A., Dorofeev, I.A., and Shagun, L.G., Russ. Org. Chem., 2017, vol. 53, p. 423. doi https://doi.org/10.1134/S1070428017030186
Shagun, V.A., Yarosh, N.O., and Shagun, L.G., Russ. Org. Chem., 2017, vol. 53, p. 777. doi https://doi.org/10.1134/S1070428017050207
Acknowledgments
The main results were obtained using the facilities of the Baikal Joint Analytical Center (Siberian Branch, Russian Academy of Sciences).
Author information
Authors and Affiliations
Corresponding author
Additional information
Russian Text © The Author(s), 2019, published in Zhurnal Organicheskoi Khimii, 2019, Vol. 55, No. 4, pp. 524–530.
Conflict of Interests
The authors declare the absence of conflict of interests.
Rights and permissions
About this article
Cite this article
Shagun, V.A., Zhilitskaya, L.V. & Shagun, L.G. Quantum Chemical Study of the Mechanism of Formation of a Fused Heterocyclic System from 4,5-Dihydro-1H-imidazole-2-thiol and 1-Iodopropan-2-one. Russ J Org Chem 55, 436–441 (2019). https://doi.org/10.1134/S1070428019040031
Received:
Revised:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1134/S1070428019040031