2-R-7-methyl[1,2,4]triazolo[2,3-a]pyrimidines: synthesis and structures
Publication type: Journal Article
Publication date: 2008-06-01
scimago Q3
SJR: 0.305
CiteScore: 2.8
Impact factor: —
ISSN: 10665285, 15739171
General Chemistry
Abstract
Reactions of 5-R-3-amino-1,2,4-triazoles with ethoxymethylideneacetylacetone and ethyl ethoxymethylideneacetoacetate proceeded regioselectively, giving 2-R-7-methyl[1,2,4]triazolo[2,3-a]-pyrimidines in good yields. The compounds obtained were characterized by elemental analysis, 1H NMR spectroscopy, and X-ray diffraction analysis (for ethyl 2-ethylthio-7-methyl[1,2,4]triazolo[2,3-a]pyrimidine-6-carboxylate). The frontier orbitals, the molecular electrostatic potential, and the geometries of the reagent molecules were calculated by the DFT method (B3LYP/6-31G**).
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Shikhaliev Kh. S. et al. 2-R-7-methyl[1,2,4]triazolo[2,3-a]pyrimidines: synthesis and structures // Russian Chemical Bulletin. 2008. Vol. 57. No. 6. pp. 1268-1272.
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Shikhaliev Kh. S., Krylski D. V., Potapov A. Yu., Nefedov S., Sidorenko O. E. 2-R-7-methyl[1,2,4]triazolo[2,3-a]pyrimidines: synthesis and structures // Russian Chemical Bulletin. 2008. Vol. 57. No. 6. pp. 1268-1272.
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TY - JOUR
DO - 10.1007/s11172-008-0163-z
UR - https://doi.org/10.1007/s11172-008-0163-z
TI - 2-R-7-methyl[1,2,4]triazolo[2,3-a]pyrimidines: synthesis and structures
T2 - Russian Chemical Bulletin
AU - Shikhaliev, Kh S
AU - Krylski, D V
AU - Potapov, A Yu
AU - Nefedov, S.E.
AU - Sidorenko, O E
PY - 2008
DA - 2008/06/01
PB - Springer Nature
SP - 1268-1272
IS - 6
VL - 57
SN - 1066-5285
SN - 1573-9171
ER -
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BibTex (up to 50 authors)
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@article{2008_Shikhaliev,
author = {Kh S Shikhaliev and D V Krylski and A Yu Potapov and S.E. Nefedov and O E Sidorenko},
title = {2-R-7-methyl[1,2,4]triazolo[2,3-a]pyrimidines: synthesis and structures},
journal = {Russian Chemical Bulletin},
year = {2008},
volume = {57},
publisher = {Springer Nature},
month = {jun},
url = {https://doi.org/10.1007/s11172-008-0163-z},
number = {6},
pages = {1268--1272},
doi = {10.1007/s11172-008-0163-z}
}
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MLA
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Shikhaliev, Kh. S., et al. “2-R-7-methyl[1,2,4]triazolo[2,3-a]pyrimidines: synthesis and structures.” Russian Chemical Bulletin, vol. 57, no. 6, Jun. 2008, pp. 1268-1272. https://doi.org/10.1007/s11172-008-0163-z.