Reactions of (E)-(3-Aryl-3-oxoprop-1-en-1-yl)triphenylphosphonium Bromides with Arylhydrazines


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Abstract

(E)-(3-Aryl-3-oxoprop-1en-1-yl)triphenylphosphonium bromides reacted with arylhydrazines in an acidic medium to form hydrazones, the intramolecular heterocyclization of which led to the formation of (2,5- diaryl-2,3-dihydro-1H-pyrazol-3-yl)triphenylphosphonium bromides. Under the action of hydrobromic acid, the resulting quaternary phosphonium salts produced saturated (3-aryl-3-oxopropyl)triphenylphosphonium salts.

About the authors

R. Dzh. Khachikyan

Scientific and Technological Center of Organic and Pharmaceutical Chemistry, National Academy of Sciences of Armenia

Author for correspondence.
Email: khachikyanraya@gmail.com
Armenia, pr. Azatutyan 26, Yerevan, 0014

Z. G. Ovakimyan

Scientific and Technological Center of Organic and Pharmaceutical Chemistry, National Academy of Sciences of Armenia

Email: khachikyanraya@gmail.com
Armenia, pr. Azatutyan 26, Yerevan, 0014

E. O. Karamyan

Scientific and Technological Center of Organic and Pharmaceutical Chemistry, National Academy of Sciences of Armenia

Email: khachikyanraya@gmail.com
Armenia, pr. Azatutyan 26, Yerevan, 0014

G. A. Panosyan

Scientific and Technological Center of Organic and Pharmaceutical Chemistry, National Academy of Sciences of Armenia

Email: khachikyanraya@gmail.com
Armenia, pr. Azatutyan 26, Yerevan, 0014


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