(2R)-2-[(1R)-1-[3,5-Bis(trifluoromethyl)phenyl]ethoxy]-4-(phenylmethyl)-3-morpholinone, is the key 3-(4-Fluorophenyl)morpholine moiety used in the synthesis of NK1 receptor antagonist Aprepitant (A729800).
Molecular Formula:C21H19F6NO3
Molecular Weight:447.37
Storage and Stability:Store at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.