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- Title
Simple Efficient Procedure for the Stereoselective Synthesis of trans-2,3,3a,4-Tetrahydro-3-aryl-2- (4-carboxyphenyl)[1]benzopyrano[4,3-c]pyrazoles and their [1]Benzothiopyrano Analogues.
- Authors
Lévai, Albert; Jekͩ, József
- Abstract
Hitherto unknown group of tricyclic fused pyrazolines have been synthesized by the reaction of 3-arylidenechromanones and 3-arylidene-1-thiochromanones with (4-carboxyphenyl)hydrazine in hot anhydrous pyridine solution. Structures of all new compounds have been elucidated by microanalyses, IR, 1H, 13C NMR and mass spectrometric measurements.
- Subjects
HETEROCYCLIC compounds; MICROCHEMISTRY; CHEMICAL reactions; HYDRAZINE; PYRIDINE; MASS spectrometry; SPECTRUM analysis
- Publication
Acta Chimica Slovenica, 2009, Vol 56, Issue 3, p566
- ISSN
1318-0207
- Publication type
Article