Facile Assembling of Novel 2,3,6,7,9-pentaazabicyclo- [3.3.1]nona-3,7-diene Derivatives under Microwave and Ultrasound Platforms

Reactions of a series of 3-oxo-2-arylhydrazonopropanal derivatives with two molar ratio of ammonium acetate afforded a library of tetrasubstituted 2,3,6,7,9-pentaazabicyclo[3.3.1]nona- 3,7-diene derivatives in good to excellent isolated yields. The reaction was activated with triethylamine catalyst...

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Veröffentlicht in:	Molecules (Basel, Switzerland) Switzerland), 2019-03, Vol.24 (6), p.1110
Hauptverfasser:	Al-Matar, Hamad M, Dawood, Kamal M, Tohamy, Wael M, Shalaby, Mona A
Format:	Artikel
Sprache:	eng
Schlagworte:	3-oxo-2-arylhydrazono-propanals Acetic acid Aldehydes - chemistry Ammonium Ammonium acetate Bicyclo[3.3.1]nonadienes Catalysis Catalysts Dopamine Ethanol microwave Microwaves Molecular Structure Single crystals Solvents Triethylamine Ultrasonic imaging Ultrasonic Waves ultrasound
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Zusammenfassung:	Reactions of a series of 3-oxo-2-arylhydrazonopropanal derivatives with two molar ratio of ammonium acetate afforded a library of tetrasubstituted 2,3,6,7,9-pentaazabicyclo[3.3.1]nona- 3,7-diene derivatives in good to excellent isolated yields. The reaction was activated with triethylamine catalyst under three different heating modes: thermal, ultrasonic and microwave irradiating conditions in ethanol solvent. The structures of the isolated products were fully characterized by spectral and analytical data as well as X-ray single crystal of selected examples.
ISSN:	1420-3049 1420-3049
DOI:	10.3390/molecules24061110