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5-Aryl-1-[pyrimidin-2(4)-yl]-3-phenyl-4,5-dihydro-1H-pyrazoles. Synthesis from substituted 2(4)-hydrazinopyrimidines and fragmentation under positive electrospray ionization

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Abstract

Reaction of substituted 2(4)-hydrazinopyrimidines with 3-aryl-1-phenyl-2-propen-1-ones in the presence of a base results prevailingly in 5-aryl-1-[pyrimidin-2(4)-yl]-3-phenyl-4,5-dihydro-1H-pyrazoles. The fragmentation path of these compounds under positive electrospray ionization consists in simultaneous decomposition of their heterocyclic fragments.

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Authors and Affiliations

  1. St. Petersburg State Technologic Institute (Technical University), Moskovskii pr. 26, St. Petersburg, 190013, Russia

    A. V. Erkin & V. I. Krutikov

  2. Kirov St. Petersburg State Forest University, St. Petersburg, Russia

    O. S. Yuzikhin

Authors
  1. A. V. Erkin
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  2. O. S. Yuzikhin
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  3. V. I. Krutikov
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Correspondence to A. V. Erkin.

Additional information

Original Russian Text © A.V. Erkin, O.S. Yuzikhin, V.I. Krutikov, 2016, published in Zhurnal Organicheskoi Khimii, 2016, Vol. 52, No. 8, pp. 1181–1185.

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Erkin, A.V., Yuzikhin, O.S. & Krutikov, V.I. 5-Aryl-1-[pyrimidin-2(4)-yl]-3-phenyl-4,5-dihydro-1H-pyrazoles. Synthesis from substituted 2(4)-hydrazinopyrimidines and fragmentation under positive electrospray ionization. Russ J Org Chem 52, 1173–1178 (2016). https://doi.org/10.1134/S1070428016080133

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  • DOI: https://doi.org/10.1134/S1070428016080133

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