Novel 7-Aryliden-3,3a,4,5,6,7-(hexahydro-5-(2-ethoxyethyl)-2-phenyl-3-aryl-2H-pyrazolo[4,3-c]pyridine Hydrochloride: Synthesis and Structure
Koshetova Z.A. Yu V.K. Iskakova T.K. Zhumanova N.A. Beketov K.M. Malmakova A.E. Praliyev K.D. Seilkhanov T.M. Berlin K.D.
31 March 2022al-Farabi Kazakh State National University
Eurasian Chemico-Technological Journal
2022#24Issue 143 - 50 pp.
A Claisen-Schmidt type reaction of 1-(2-ethoxyethyl)piperidin-4-one with differ-ent aromatic aldehydes led to corresponding dienones with a yield of 65‒71%. 7-Arylidene-3,3a,4,5,6,7-(hexahydro-5-(2-ethoxyethyl)-2-phenyl-3-aryl-2H-pyrazolo[4,3-c]pyridines were synthesized by heterocyclization of 3,5-dia-rylidene-piperidin-4-ones with phenylhydrazine hydrochloride in methanol at 70 °C over 4‒6 h. The X-ray crystal structure determination of 7-(p-methoxy-benzyliden)-3,3a,4,5,6,7-(hexahydro-5-(2-ethoxyethyl)-2-phenyl-3-(p-methoxy-phenyl)-2H-pyrazolo[4,3-c]pyridine hydrochloride (the deposition number is CCDC 862410) was completed. The piperidine and pyrazoline rings are close to a chair and envelope conformations, respectively.
3-c] pyridine , 3a , 4 , 5 , 6 , 7-(hexa-hydro-5-(2-ethoxyethyl)-2-phe-nyl-3-aryl-2H-pyrazolo[4 , 7-arylidene-3 , heterocyclisation , X-ray crystal structure
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A.B. Bekturov Institute of Chemical Sciences, 106, Ualikhanov str, Almaty, Kazakhstan
Kazakh National Women’s Teacher Training University, 99, Ayteke bi str., Almaty, Kazakhstan
Sh. Ualikhanov State University, 76, Abai str., Kokshetau, Kazakhstan
Oklahoma State University, Stillwater, 74078, United States
A.B. Bekturov Institute of Chemical Sciences
Kazakh National Women’s Teacher Training University
Sh. Ualikhanov State University
Oklahoma State University
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