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. 2010 Nov 9;2(2):102–106. doi: 10.1021/ml100228m

Table 1. SAR of 5-Benzyl-Substituted Bicyclic Coresa.

graphic file with name ml-2010-00228m_0003.jpg

compd W X Y Z hS1P1 RI EC50 (μM) (% efficacy) hS1P3 Ca2+ EC50 (μM) (% efficacy)
3 O C CH C 0.057 (96) 1.73 (42)
4 O C N C 0.325 (105) 0.354 (77)
5 N C S C 0.221 (84) 3.47 (50)
6 N C NH C >6.25 >25
7 N C CH N 6.72 (115) >25
8 N N CH C 2.89 (53) 1.11 (43)
a

Data represent an average of at least two determinations. Percent efficacy is reported relative to 1.00 μM 9 and 0.200 μM S1P for hS1P1 RI and hS1P3 Ca2+ assays, respectively. (S1P demonstrates 91% efficacy relative to 1.00 μM 9 in hS1P1 RI studies.) >[Highest concentration tested] is reported for compounds that do not achieve >10% of control activity (1.00 μM 9 or 0.200 μM S1P).