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. 2021 Mar 12;12(4):610–616. doi: 10.1021/acsmedchemlett.1c00004

Table 4. IC50 Values for COX-1 and COX-2 Enzymes.

compound IC50 COX-1 (μM) IC50 COX-2 (μM) selectivity index (COX-2/COX-1)
3b 1.57 ± 0.54 43.0 ± 10.3 27.4
3c 1.89 ± 0.63 37.3 ± 9.36 19.7
3k 1.90 ± 0.69 10.1 ± 1.38 5.32
3v 3.14 ± 0.99 >50 COX-1-selective
6c 0.376 ± 0.189 >50 COX-1-selective
6e 0.142 ± 0.014 >50 COX-1-selective
7o 1.39 ± 0.72 >50 COX-1-selective
8a 0.78 ± 0.64 >50 COX-1-selective
8b 1.58 ± 0.89 >50 COX-1-selective
9a 0.141 ± 0.045 >50 COX-1-selective
9b 0.064 ± 0.044 >50 COX-1-selective
ibuprofen 2.19 ± 0.78 3.30 ± 0.96 1.51
SC-560 0.006 ± 0.003 1.03 ± 0.40 179.5