“…The solid product was collected by filtration and washed thoroughly with distilled water to afford the pure product 6 b (52.0 mg, 0.139 mmol) as an off-white solid with 86 % yield. mp 156 °C; 1 H NMR (300 MHz, CDCl 3 ) δ 1.81-1.86 (m, 2H), 1.99-2.09 (m, 2H), 2.85 (t, J = 7.5 Hz 2H), 3.25 (t, J = 6.9 Hz, 2H), 6.62 (d, J = 7.8 Hz, 2H), 6.7 (t, J = 7.2 Hz, 1H), 7.17 [33] Detailed experimental procedures for synthesizing the compound 6 b-m and spectroscopic data, including scan copies of 1 H-NMR, 13 C, and HRMS, including experimetal method for UV-Vis, PL study are available in the supporting information section of this article.…”