Research Article

Synthesis, Characterization, and Antibacterial Activity of Diethyl 1-((4-Methyl-2-phenyl-4,5-dihydrooxazol-4-yl)methyl)-1H-1,2,3-triazole-4,5-dicarboxylate

Table 1

(300.13 MHz) and 13C (75.47 MHz) NMR spectral data for compound 2 in CDCl3, including results obtained by homonuclear 2D shift-correlated and heteronuclear 2D shift-correlated HSQC (). Chemical shifts ( in ppm) and coupling constants ( in Hz). The definite assignment of the chemical shifts of protons and carbons of compound 2.

PositionCorrelation H-HCorrelation C-H

4139.60
5127.00
6159.93
74.27–4.42 (q, )62.762H7-2H7 and 2H7-3H8
81.38 (t, )14.143H8-3H8 and 3H8-2H7 and
6′158.73
7′4.24–4.38 (q, )61.71 and
8′1.30 (t, )13.66 and and
94.76–4.93 (AB, )56.38
1070.77
114.13–4.53 (AB, )75.13
12164.46
131.41 (s)25.19
14–197.35–7.84 (m)128.21–132.06