Claims
- 1. A compound of Formula (II): wherein:Ra is hydrogen; R3 is benzyloxy substituted by COOR wherein R is hydrogen or C1-5 alkyl; R4 is independently R11, OH, C1-5 alkoxy, S(O)qR11, N(R6)2, Br, F, I, Cl or NHCOR6, wherein the C1-5 alkoxy may be unsubstituted or substituted by OH, methoxy or halogen; a is 0, 1 or 2; R5 is C1-5 alkoxy; R6 is independently hydrogen or C1-8 alkyl; R11 is hydrogen, C1-8 alkyl, C2-8 alkenyl, C2-8 alkynyl, all of which may be substituted or unsubstituted by one or more OH, CH2OH, N(R6)2 or halogen; R15 is hydrogen or C1-6 alkyl.
FIELD OF THE INVENTION
This is a divisional of prior application No: 09/342,989, filed Jun. 29, 1999; which is a divisional of prior application No. 09/227,361, filed Jan. 8, 1999 U.S. Pat. No. 5,958,968 Jun. 29, 1999, which is a divisional of prior application No. 09/121,545, filed Jul. 23, 1998 U.S. Pat. No. 5,969,151 Jul. 23, 1999, which is a continuation of prior application No. 08/718,562, filed Feb. 2, 1998 abandoned Sep. 30, 1996, which is a 371 of International Application No. PCT/US96/12581, filed Aug. 2, 1996; which claims the benefit of priority from the following provisional applications: 60/001,792, filed Aug. 2, 1995 and 60/01092 filed Feb. 1, 1996.
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Date |
Kind |
3703513 |
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A |
4965282 |
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A |
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Provisional Applications (2)
|
Number |
Date |
Country |
|
60/001792 |
Aug 1995 |
US |
|
60/010982 |
Feb 1996 |
US |
Continuations (1)
|
Number |
Date |
Country |
Parent |
08/718562 |
|
US |
Child |
09/121545 |
|
US |