Patent ID: 6323196
Filing Date: 2001-11-27
Classification: A61P,C07D

Abstract:
A compound of the formula ##STR6##whereinR.sup.1 is selected from the group consisting of hydrogen, (C.sub.1 -C.sub.12)alkylcarbonyl, (C.sub.1 -C.sub.12)alkoxycarbonyl, mono(C.sub.1 -C.sub.12)alkylaminocarbonyl and di(C.sub.1 -C.sub.12)alkylaminocarbonyl;R.sup.2 is selected from the group consisting of butylaminocarbonyloxy, isopropylaminocarbonyloxy, t-butylaminocarbonyloxy, n-pentylaminocarbonyloxy, n-hexylaminocarbonyloxy, n-heptylaminocarbonyloxy, n-octylaminocarbonyloxy, n-nonylaminocarbonyloxy, and aryl(C.sub.1 -C.sub.4)alkylaminocarbonyloxy; andR.sup.3 is hydrogen or bromine; or a pharmaceutically acceptable acid addition thereof, provided R.sup.1 is not hydrogen when R.sup.2 is methylaminocarbonyloxy.