Halocyclization of 3-Allyl-5-ethyl-6-methyl-2-thiouracil

D. G. Kim; K. Yu. Petrova; T. V. Frolova; V. V. Sharutin; I. G. Ovchinnikova; M. A. Ezhikova; M. I. Kodess

doi:10.1134/S1070428019090112

Halocyclization of 3-Allyl-5-ethyl-6-methyl-2-thiouracil

Authors: Kim D.G.¹, Petrova K.Y.¹, Frolova T.V.¹, Sharutin V.V.¹, Ovchinnikova I.G.², Ezhikova M.A.², Kodess M.I.²
Affiliations:
1. South Ural State University
2. Postovskii Institute of Organic Synthesis, Ural Branch
Issue: Vol 55, No 9 (2019)
Pages: 1333-1337
Section: Article
URL: https://journals.rcsi.science/1070-4280/article/view/221157
DOI: https://doi.org/10.1134/S1070428019090112
ID: 221157

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Abstract

The reaction of N-allylthiourea with ethyl 2-ethyl-3-oxobutanoate gave 3-allyl-5-ethyl-6-methyl-2- thiouracil which reacted with bromine and iodine to afford 6-ethyl-2-halomethyl-7-methyl-5-oxo-2,3-dihydro- 5H-[1,3]thiazolo[3,2-a]pyrimidinium halides. The product structure was confirmed by 1H and 13C NMR and mass spectra, elemental analyses, and X-ray diffraction data.