Indole derivatives in the treatment of emesis

US5618834A · kind A · utility

Assignee

• PFIZER INC. · US

Inventor

• Paul Butler · Coalville, GB

Key dates

• Filing date: Nov 30, 1995
• Grant date: Apr 8, 1997
• Expiry date: Nov 30, 2015

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P1/08
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Compounds of formula I, ##STR1## wherein R.sup.1 represents hydrogen; R.sup.2 represents hydrogen, halogen, cyano, OR.sup.4, --(CH.sub.2).sub.m CONR.sup.5 R.sup.6, --(CH.sub.2).sub.m SO.sub.2 NR.sup.5 R.sup.6, --(CH.sub.2).sub.m NR.sup.7 COR.sup.8, --(CH.sub.2).sub.m S(O).sub.x R.sup.8, --(CH.sub.2).sub.m NR.sup.7 CONR.sup.5 R.sup.6, --(CH.sub.2).sub.m NR.sup.7 COOR.sup.9 or --CH.dbd.CH(CH.sub.2).sub.y R.sup.10 ; R.sup.3 represents hydrogen or C.sub.1-6 alkyl; R.sup.4 represents hydrogen, C.sub.1-6 alkyl or aryl; R.sup.5 and R.sup.6 are independently represent hydrogen, C.sub.1-6 alkyl, aryl or (C.sub.1-3 alkyl)aryl; or R.sup.5 and R.sup.6 taken together may form a 4-, 5- or 6-membered ring; R.sup.7 and R.sup.8 independently represent hydrogen, C.sub.1-6 alkyl, aryl or (C.sub.1-3 alkyl)aryl; R.sup.9 represents hydrogen, C.sub.1-6 alkyl, aryl or (C.sub.1-3 alkyl)aryl; R.sup.10 represents --CONR.sup.5 R.sup.6, --SO.sub.2 NR.sup.5 R.sup.6, --NR.sup.7 COR.sup.8, --NR.sup.7 SO.sub.2 R.sup.8, --NR.sup.7 CONR.sup.5 R.sup.6, --S(O).sub.x R.sup.8 or --NR.sup.7 COOR.sup.9 ; m is 0, 1, 2 or 3; n is 0, 1 or 2; y is 0, 1 or 2; x is 1 or 2; and pharmaceutically acceptable salts thereof; are usef…