Patent ID: 6878823

Claim:
A compound of the formula (VII) where PG is selected from the group consisting of φ-CH 2 —, φ-CO—, φ-CH 2 —CO 2 — and —CO—O—C(CH 3 ) 3 , where R X is: (1) —H (2) —F, —Cl, —Br, —I, (3) —O—R X-1 where R X-1 is: —H, C 1 -C 4 alkyl, -φ, (4) —CF 3 , (5) —CO—NR X-2 R X-3 where R X-2 and R X-3 are —H and C 1 -C 4 alkyl, and where R X-2 and R X-3 are taken with the attached nitrogen atom to form a ring selected from the group consisting of 1-pyrrolidinyl, 1-piperazinyl, 1-morpholinyl, (6) —NH—SO 2 —R X-4 where R X-4 is —H and C 1 -C 4 alkyl, (7) —NR X-2 R X-3 where R X-2 and R X-3 are as defined above, (8) —NR X-4 —CO—R X-4 where R X-4 is as defined above, (9) —SO 2 —NR X-2 R X-3 where R X-2 and R X-3 are as defined above, (10) —C≡N, (11) —NO 2 ; where R 9 is: (1) —H, (2) —F, —Cl, (3) C 1 -C 4 alkyl, (4) C 1 -C 3 alkoxy, (5) —CF 3 , (6) C 0 -C 4 alkyl-φ where the -φ substituent is optionally substituted with 1 or 2 (a) —F, —Cl, —Br, —I, (b) —O—R 9-1 where R 9-1 is: —H, C 1 -C 4 alkyl, -φ, (c) —CF 3 , (d) —CO—NR 9-2 R 9-3 where R 9-2 and R 9-3 are —H and C 1 -C 4 alkyl, and where R 9-2 and R 9-3 are taken with the attached nitrogen atom to form a ring selected from the group consisting of 1-pyrrolidinyl, 1-piperazinyl and 1-morpholinyl, (e) —NH—SO 2 —R 9-4 where R 9-4 is —H and C 1 -C 4 alkyl, (f) —NR 9-2 R 9-3 where R 9-2 and R 9-3 are as defined above, (g) —NR 9-4 —CO—R 9-4 where R 9-4 is as defined above, (h) —SO 2 —NR 9-2 R 9-3 where R 9-2 and R 9-3 are as defined above, (i) —C≡N, (j) —NO 2 (7) —OR 9-1 where R 9-1 is as defined above, (8) —CO—NR 9-2 R 9-3 where R 9-2 and R 9-3 are as defined above, (9) —NR 9-2 R 9-3 where R 9-2 and R 9-3 are as defined above, (10) —NH—SO 2 —R 9-4 where R 9-4 is as defined above, (11) —NH—CO 2 —R 9-2 where R 9-2 is as defined above.