Patent ID: 8114879

Claim:
A method of treating arthritis, rheumatoid arthritis, inflammatory bowel disease, atopic dermatitis, psoriasis, asthma, allergies or multiple sclerosis, comprising administering to a human in need of such treatment a therapeutically effective amount of a CCR5 antagonist of the structural formula I: or a pharmaceutically acceptable salt thereof, wherein R is R 8 -phenyl, R 8 -pyridyl, R 8 -thiophenyl or R 8 -naphthyl; R 1 is hydrogen or C 1 -C 6 alkyl; R 2 is R 9 , R 10 , R 11 -phenyl; R 9 , R 10 , R 11 -substituted 6-membered heteroaryl; R 9 , R 10 , R 11 -substituted 6-membered heteroaryl N-oxide; R 12 , R 13 -substituted 5-membered heteroaryl; naphthyl; fluorenyl; diphenylmethyl R 3 is hydrogen, C 1 -C 6 alkyl, (C 1 -C 6 )alkoxy(C 1 -C 6 )alkyl, C 3 -C 10 cycloalkyl, C 3 -C 10 cycloalkyl(C 1 -C 6 )alkyl, R 8 -phenyl, R 8 -phenyl(C 1 -C 6 )alkyl, R 8 -naphthyl, R 8 -naphthyl(C 1 -C 6 )alkyl, R 8 -heteroaryl or R 8 -heteroaryl(C 1 -C 6 )alkyl; R 4 , R 5 , R 7 and R 13 are independently selected from the group consisting of hydrogen and (C 1 -C 6 )-alkyl; R 6 is hydrogen, C 1 -C 6 alkyl or C 2 -C 6 alkenyl; R 8 is 1 to 3 substituents independently selected from the group consisting of hydrogen, halogen, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, —CF 3 , CF 3 O—, CH 3 C(O)—, —CN, CH 3 SO 2 —, CF 3 SO 2 —, R 14 -phenyl, R 14 -benzyl, CH 3 C(═NOCH 3 ), CH 3 C(═NOCH 2 CH 3 ), —NH 2 , —NHCOCF 3 , —NHCONH(C 1 -C 6 alkyl), —NHCO(C 1 -C 6 alkyl), —NHSO 2 (C 1 -C 6 alkyl), 5-membered heteroaryl and wherein X is —O—, —NH— or —N(CH 3 )—; R 9 and R 10 are independently selected from the group consisting of (C 1 -C 6 )alkyl, halogen, —NR 17 R 18 , —OH, —CF 3 , —OCH 3 , —O-acyl, —OCF 3 and —Si(CH 3 ) 3 ; R 11 is R 9 , hydrogen, phenyl, —NO 2 , —CN, —CH 2 F, —CHF 2 , —CHO, —CH═NOR 17 , pyridyl, pyridyl N-oxide, pyrimidinyl, pyrazinyl, —N(R 17 )CONR 18 R 19 , —NHCONH(chloro-(C 1 -C 6 )alkyl), —NHCONH((C 3 -C 1 )cycloalkyl(C 1 -C 6 )alkyl), —NHCO(C 1 -C 6 )alkyl, —NHCOCF 3 , —NHSO 2 N((C 1 -C 6 )alkyl) 2 , —NHSO 2 (C 1 -C 6 )alkyl, —N(SO 2 CF 3 ) 2 , —NHCO 2 (C 1 -C 6 )alkyl, C 3 -C 10 cycloalkyl, —SR 20 , —SOR 20 , —SO 2 R 20 , —SO 2 NH(C 1 -C 6 alkyl), —OSO 2 (C 1 -C 6 )alkyl, —OSO 2 CF 3 , hydroxy(C 1 -C 6 )alkyl, —CON R 17 R 18 , —CON(CH 2 CH 2 —O—CH 3 ) 2 , —OCONH(C 1 -C 6 )alkyl, —CO 2 R 17 , —Si(CH 3 ) 3 or —B(OC(CH 3 ) 2 ) 2 ; R 12 is (C 1 -C 6 )alkyl, —NH 2 or R 14 -phenyl; R 14 is 1 to 3 substituents independently selected from the group consisting of hydrogen, (C 1 -C 6 ) alkyl, —CF 3 , —CO 2 R 17 , —CN, (C 1 -C 6 )alkoxy and halogen; R 15 and R 16 are independently selected from the group consisting of hydrogen and C 1 -C 6 alkyl, or R 15 and R 16 together are a C 2 -C 5 alkylene group and with the carbon to which they are attached form a spiro ring of 3 to 6 carbon atoms; R 17 , R 18 and R 19 are independently selected from the group consisting of H and C 1 -C 6 alkyl; and R 20 is C 1 -C 6 alkyl or phenyl.