Claims
- 1. A compound of formula XVI ##STR39## R is H, C.sub.1 -C.sub.4 alkyl or acetyl, R.sub.1 and R.sub.4 are hydrogen,
- R.sub.2 is C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.4 alkoxy,
- R.sub.3 is C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or benzyloxy-C.sub.1 -C.sub.4 alkoxy, and
- R.sub.5 is isopropyl,
- or a salt thereof.
Priority Claims (1)
Number |
Date |
Country |
Kind |
1169/94 |
Apr 1994 |
CHX |
|
Parent Case Info
This is a division of Ser. No. 08/687,277, filed Jul. 25, 1996; now U.S. Pat. No. 5,646,143 which is a divisional of Ser. No. 08/416,242, filed Apr. 4, 1995, now U.S. Pat. No. 5,559,111.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
4937360 |
Liu et al. |
Jun 1990 |
|
5559111 |
Goschke et al. |
Sep 1996 |
|
Foreign Referenced Citations (1)
Number |
Date |
Country |
0212903 |
Mar 1987 |
EPX |
Non-Patent Literature Citations (2)
Entry |
Plummer, et al., Biorganic and Medicinal Chemistry Letters, vol. 3, 1993, pp. 2119-2124. |
Hanessian, et al., Biorganic and Medicinal Chemistry Letters, vol. 4, 1994, pp. 1696-1702. |
Divisions (2)
|
Number |
Date |
Country |
Parent |
687277 |
Jul 1996 |
|
Parent |
416242 |
Apr 1995 |
|