Patent ID: 6319941
Filing Date: 2001-11-20
Classification: C07D

Abstract:
A compound according to the formula ##STR5##wherein:R.sup.1 and R.sup.2 are independently straight chain alkyl of 1 to 6 carbon atoms, branched alkyl of 3 to 6 carbons atoms, or cycloalkyl of 3 to 6 carbons atoms where R1 and R.sup.2 may be optionally substituted by F, Cl, Br, I, OH, NH.sub.2, cyano, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 alkylthio, COOH or COOC.sub.1 -C.sub.6 alkyl;R.sup.3 is an aryl optionally substituted with 1 to 4 groups selected independently from straight chain C.sub.1 -C.sub.6 alkyl, branched alkyl of 3 to 6 carbons, or a cycloalkyl of 3 to 10 carbons; C.sub.1 -C.sub.6 alkoxy, cyano, F, Cl, Br, C.sub.1 -C.sub.6 alkylthio, CO.sub.2 R.sup.1, CONH.sub.2, OH, NH.sub.2, and NO.sub.2 ; wherein aryl is phenyl, naphthalene, anthracene or phenanthrene;R.sup.4 is a straight chain alkyl group of 1 to 10 carbons atoms, a branched alkyl of 3 to 10 carbons, a cycloalkyl of 3 to 10 carbons, all of which may be optionally substituted by one or more F or Cl atoms;n is 0 or 1;all crystalline forms;an enantiomer or diastereomer,or a pharmaceutically acceptable salt thereof.