Patent ID: 7115657

Claim:
A compound of Formula I wherein X=CH 2 , n=1, R 1 =H, alkyl, alkenyl, alkynyl, aryl all of which may be optionally substituted, R 2 =Alkyl, aryl, C(O)Y, C(O)R″′, CH 2 Y(CO)R″′, CH 2 YCH 2 R″′, R 3 =Alkyl, C(O)NH(CH 2 CH 2 ) m NR′R″, NHC(O)CH 2 NR′R″, NHC(O)R″′, R 4 , R 5 =Lower alkyl, Y=HN(CH 2 CH 2 ) m NH, HNCHR 1 NH, HN-cycloalkyl-NH, HN-aryl-NH, heterocyclic diamine, m=1–5 R′, R″=Alkyl, and R″′=(methylsulfonyl)amino-N-aryl.