Ahmad Rashidi - Saba College of Higher Education, Urmia, 57158-17573, Iran
Vida Isavinezhad - Department of Chemistry, Faculty of Science, University of Urmia, Urmia, 57153-165, Iran
Jabbar Khalafy - Department of Chemistry, Faculty of Science, University of Urmia, Urmia, 57153-165, Iran

Reaction of 5-amino-1-phenyl-3-methylpyrazole 1 and variously substituted benzaldehydes and urea in a one-pot three component condition, resulted in the formation of cyclized 3,5-dimethyl-1,4,7-triphenyl-1,4,7,8-tetrahydro-dipyrazolo[3,4-b;4`,3'-e]pyridine 8.

One-pot reaction, Urea, Benzaldehyde, Pyrazole, Water, p-TSA