807638-71-7

2-[2-[(3S)-3-[3-[(E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[(methanesulfonyl)oxy]propyl]phenyl]-2-propanol is an intermediate in the synthesis of Montelukast (M568000), a selective leukotriene D4-receptor antagonist used as an antiasthmatic agent.