Patent ID: 8506931

Claim:
A compound of formula (Ia) or (Ib), or stereoisomer or atropisomer thereof: wherein X and Y are independently hydrogen, C 1 -C 8 alkyl, C 2 -C 8 alkenyl, C 2 -C 8 alkynyl, C 3 -C 8 cycloalkyl, C 4 -C 10 cycloalkenyl, C 6 -C 12 aryl, C 6 -C 12 aralkyl, C 1 -C 12 heterocyclyl, C 1 -C 12 heteroaryl, —COR 1 , —(CH 2 ) m OR 1 , —CO 2 H, —CO 2 R 1 , —C(O)N(R 1 ) 2 , —C(O)NH(R 1 ), or —C(O)NH 2 , said C 1 -C 8 alkyl, C 2 -C 8 alkenyl, C 2 -C 8 alkynyl C 3 -C 8 cycloalkyl, C 4 -C 10 cycloalkenyl, C 6 -C 12 aryl, C 6 -C 12 aralkyl, C 1 -C 12 heterocyclyl, and C 1 -C 12 heteroaryl being unsubstituted or substituted with at least one substituent selected from the group consisting of a halogen atom, hydroxy, carboxy, thiol, azide, nitro, C 1 -C 8 deuterated alkyl group comprising at least one deuterated atom, —COH, —COR 1 , —(CH 2 ) m OR 1 , —CO 2 H, —CO 2 R 1 , —C(O)N(R 1 ) 2 —C(O)NH(R 1 ), —C(O)NH 2 , C 1 -C 8 alkyl, C 2 -C 8 alkenyl, C 2 -C 8 alkynyl, C 3 -C 8 cycloalkyl, C 4 -C 10 cycloalkenyl, C 6 -C 12 aryl, C 6 -C 12 aralkyl, C 1 -C 12 heterocyclyl, and C 1 -C 12 heteroaryl; Z is —CH 2 —, —CHR 3 —, —CH 2 —CH═CH—, —CHR 3 —CH═CH—, or —CH 2 —CH═CR 3 —; R 1 is a hydrogen atom, C 1 -C 8 alkyl, C 3 -C 8 cycloalkyl, C 4 -C 10 cycloalkenyl, C 6 -C 12 aralkyl, or C 1 -C 12 heterocyclyl; each R 2 is independently a hydrogen atom, C 1 -C 8 alkyl, C 3 -C 8 cycloalkyl, C 4 -C 10 cycloalkenyl, C 6 -C 12 aralkyl, or C 1 -C 12 heterocyclyl; R 3 is halogen atom, hydroxy, sulphydral(—SH), an amino acid residue, carboxy, thiol, azide, nitro, SO 3 H, —COH, —COR 1 , —(CH 2 ) m OR 1 , —CO 2 H, —CO 2 R 1 , —C(O)N(R 1 ) 2 —C(O)NH(R 1 ), —C(O)NH 2 , —HNC(O)R 1 , C 1 -C 8 alkyl, C 2 -C 8 alkenyl, C 2 -C 8 alkynyl, C 3 -C 8 cycloalkyl, C 4 -C 10 cycloalkenyl, C 6 -C 12 aryl, C 6 -C 12 aralkyl, C 1 -C 12 heterocyclyl, or C 1 -C 12 heteroaryl; n is an integer having a value of 1 to 13; and m is an integer having a value of 1 to 13, or a pharmaceutically acceptable salt thereof.