Once again the question of cyclization of pyrazolones-5 unsubstituted at the nitrogen into tripyrazolynenes

Authors

  • И. И. Гpaндбeрг K. A. Timiryazev Moscow Agricultural Academy, Moscow 127550
  • Н. Л. Нам K. A. Timiryazev Moscow Agricultural Academy, Moscow 127550
  • B. И. Сорокин K. A. Timiryazev Moscow Agricultural Academy, Moscow 127550

Abstract

The experimental data were refined and the yields were improved significantly in cyclization of pyrazolones-5 into tripyrazolylenes-1,5 with phosphorus oxychloride.

How to Cite
Grandberg, I. I.; Nam, N. L.; Sorokin, V. I. Chem. Heterocycl. Compd. 1998, 34, 623. [Khim. Geterotsikl. Soedin. 1998, 34, 704.]

For this article in the English edition, see DOI https://doi.org/10.1007/BF02290950

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Published

1998-05-25

Issue

No. 5 (1998)

Section

Original Papers