scholarly journals Microwave-assisted one-pot synthesis in water of carbonylpyrazolo[3,4-b]pyridine derivatives catalyzed by InCl3 and sonochemical assisted condensation with aldehydes to obtain new chalcone derivatives containing the pyrazolopyridinic moiety

RSC Advances ◽  
2017 ◽  
Vol 7 (79) ◽  
pp. 50044-50055 ◽  
Author(s):  
Efrain Polo ◽  
Karoll Ferrer-Pertuz ◽  
Jorge Trilleras ◽  
Jairo Quiroga ◽  
Margarita Gutiérrez

Pyrazolo[3,4-b]pyridines derivatives have been synthesized via one-pot condensation of 3-methyl-1-phenyl-1H-pyrazolo-5-amine (1), paraformaldehyde (2) and β-diketones (3) under microwave irradiation in aqueous media catalyzed by InCl3.

2009 ◽  
Vol 46 (1) ◽  
pp. 54-57 ◽  
Author(s):  
Shujiang Tu ◽  
Dianxiang Zhou ◽  
Longji Cao ◽  
Chunmei Li ◽  
Qingqing Shao

2001 ◽  
Vol 2001 (5) ◽  
pp. 190-191 ◽  
Author(s):  
J.S. Yadav ◽  
B.V. Subba Reddy ◽  
Ch. Madan

A rapid and efficient procedure is reported for the synthesis of nitriles by condensation of aldehydes with hydroxylamine hydrochloride in the presence of dibutyltin oxide supported on Al2O3 under microwave irradiation


2019 ◽  
Vol 16 (7) ◽  
pp. 531-534
Author(s):  
K. Ravi Ganesh ◽  
V. Narayana Murthy ◽  
K. Raghavendra Rao ◽  
M.V. Basaveswara Rao ◽  
C. Murthy ◽  
...  

The synthesis of various N-acetyl-bis-indole compounds has been achieved by one pot reaction of indole and acid chloride in the presence of silica sulfuric acid as a catalyst under microwave irradiation to moderate yields. The reaction has also been studied with different acid chlorides and solvents.


ChemInform ◽  
2016 ◽  
Vol 47 (15) ◽  
pp. no-no
Author(s):  
Ming-Yan Yang ◽  
Zhi-Wen Zhai ◽  
Zhao-Hui Sun ◽  
Shu-Jing Yu ◽  
Xing-Hai Liu ◽  
...  

2015 ◽  
Vol 39 (9) ◽  
pp. 521-523 ◽  
Author(s):  
Ming-Yan Yang ◽  
Zhi-Wen Zhai ◽  
Zhao-Hui Sun ◽  
Shu-Jing Yu ◽  
Xing-Hai Liu ◽  
...  

2020 ◽  
Vol 17 ◽  
Author(s):  
Ghanshyam Jadhav ◽  
Vijay Medhane ◽  
Dattatray Deshmukh

: We herein, describe efficient and scalable synthesis of 2,4-diaryl substituted chromene [43-b] pyridine derivatives using multicomponent reaction strategy by microwave irradiation of 4-amino 2-oxo-2H-chromene, aromatic aldehydes and substituted anilines. This synthetic strategy was found to be very useful as it follows environment benign protocol, also it gives good outcome in terms of yield and requires shorter reaction time.


2014 ◽  
Vol 2014 ◽  
pp. 1-5 ◽  
Author(s):  
Ali Maleki ◽  
Ali Hossein Rezayan

A one-pot microwave-assisted synthesis of metallopyrazinoporphyrazines as porphyrazine derivatives carrying six-membered pyrazine rings annulated at the periphery of the tetrapyrrolic macrocycle is described starting from 2,3-diaminomaleonitrile, 1,2-dicarbonyl compounds, metal salts, and urea.


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