The article offers information on the Biginelle reaction through which bicyclic compounds were obtained. It mentions about the yieldings by the reaction of 5-bromosalicylaldehyde with ethyl acetoacetate and urea in presence of trichloroacetic acid. It discusses about the x-ray diffraction study and states that the acquirement of the x-ray diffraction data was done on a Bruker Apex II CCD diffractometer.