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Molecules, Volume 3, Issue 6

1998 June - 2 articles

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Articles (2)

  • Article
  • Open Access
24 Citations
12,524 Views
10 Pages

Synthesis and Reactions of New 4-Oxo-4H-benzopyran-3-carboxaldehydes Containing Hydroxy Groups or 2-Oxopyran Cycles

  • Margita Lacova,
  • Dusan Loos,
  • Mikulas Furdik,
  • Maria Matulova and
  • Hafez M. El-Shaaer

15 May 1998

The synthesis of eight hydroxy- and 2-oxopyranochromone-3-carboxaldehydes 3, 5 and their reactions with 2-hydroxyaniline, 2,4-dinitrophenylhydrazine and 2-benzothiazolylhydrazine were investigated. Products were confirmed by IR, NMR spectral and elem...

  • Article
  • Open Access
18 Citations
8,101 Views
5 Pages

15 May 1998

8-Substituted-2,5-dihydro-2-(4-N-dimethylaminophenyl)-4-(4-methoxyphenyl)-1,5-benzothiazepines (5a-e) have been synthesized by reacting 5-substituted-2-aminobenzene-thiols (1a-e) with 4-Ndimethylaminobenzal-4-methoxy acetophenone (2) in dry ethanol s...

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Molecules - ISSN 1420-3049