CONDENSED DIAZEPINES. SYNTHESIS OF 1-ARYL-3,5-DIHYDRO-4H-1-BENZOFURO[2,3-<i>d</i>][1,2]DIAZEPIN-4-ONES

Authors

  • А. Б. Ересько L. M. Litvinenko Institute of Physical-Organic Chemistry and Coal Chemistry, National Academy of Sciences of Ukraine, Donetsk 83114
  • В. С. Толкунов L. M. Litvinenko Institute of Physical-Organic Chemistry and Coal Chemistry, National Academy of Sciences of Ukraine, Donetsk 83114
  • С. В. Толкунов L. M. Litvinenko Institute of Physical-Organic Chemistry and Coal Chemistry, National Academy of Sciences of Ukraine, Donetsk 83114

DOI:

https://doi.org/10.1007/5057

Keywords:

(2-aroyl-1-benzofuran-3-yl)-acetic acids, 1-aryl-3, 5-dihydro-4H-1-benzofuro[2, 3-d][1, 2]diazepin-4 ones, hydrazine hydrate, condensed diazepines, polyphosphoric acid, benzoylation, cyclization

Abstract

The cyclocondensation of (2-aroyl-1-benzofuran-3-yl)acetic acids and their methyl esters with hydrazine hydrate under various experimental conditions has been studied. Optimal conditions have been found for obtaining 1-aryl-3,5-dihydro-4H-1-benzofuro[2,3-d][1,2]diazepin-4-ones.

How to Cite
Eresko, A. B.; Tolkunov, V. S.; Tolkunov, S. V.  Chem. Heterocycl. Compd. 2010, 46, 1127. [Khim. Geterotsikl. Soedin. 2010, 1397.]

For this article in the English edition see DOI 10.1007/s10593-010-0637-4

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Published

2019-03-21

Issue

No. 9 (2010)

Section

Original Papers