... Biomol. Chem., 2013, 11, 4526-4536 Show Compounds Show Chemical Terms. Azastilbenes: a cut-off to p38 MAPK inhibitors†. ... Chemistry. ... (h) NaH, 2-iodopropane, 0 °C. (i) TFA, DCM. Table 1 Stereoselectivity of the HWE reaction for different organic bases a. Entry, Prod. ...