Patent ID: 7067513

Claim:
A compound of the formula (I): wherein: X is 1) a group of the formula wherein S 1 is hydrogen or halogen, S 2 and S 3 are independently hydrogen, alkyl (1–6C), phenyl or benzyl, S 4 represents two hydrogen atoms or an oxo group, S 5 is H or alkyl (1–4C), and Y is CH 2 , O or S, and m has the value 2 to 6; n has the value 0–2; R 5 and R 6 are independently H or alkyl (1–3C); or R 5 +R 6 represent a group —(CH 2 )— p wherein p has the value 3–5, and R 7 is alkyl (1–3C), alkoxy (1–3C), halogen or cyano; or R 6 +R 7 (R 7 at position 7 of the indole group) represent a group —(CH 2 ) q wherein q has the value 2–4, an enantiomer thereof, or a salt of any of the foregoing.