Claims
- 1. A compound of the formula: ##STR4## wherein R is lower alkyl hydroxy and the pharmaceutically acceptable salts thereof.
- 2. A compound of claim 1 selected from the group consisting of the ethyleneglycyl ether, 1,3 or 1,2-propanediol ether, (S) or (R)-3-hydroxybutyl ether, 5-hydroxypentyl ether, or the 1,4-butyleneglycyl ether of antibiotic X-14868A and the pharmaceutically acceptable salts thereof.
- 3. A compound: the ethyleneglycyl ether of antibiotic X-14868A and its pharmaceutically acceptable salts.
- 4. A compound: 1,4-butyleneglycyl ether of antibiotic X-14868A and its pharmaceutically acceptable salts.
- 5. A compound: the 1,3-propanediol ether of antibiotic X-14868A and its pharmaceutically acceptable salts.
- 6. A compound: the (S)-3-hydroxybutyl ether of antibiotic X-14868A and its pharmaceutically acceptable salts.
- 7. A compound: the (R)-3-hydroxybutyl ether of antibiotic X-14868A and its pharmaceutically acceptable salts.
- 8. A compound: the 1,2-propanediol ether of antibiotic X-14868A and its pharmaceutically acceptable salts.
Parent Case Info
This application is a continuation-in-part application of U.S. patent application Ser. No. 444,958 filed 11/29/82, abandoned, 10/18/84.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
3375243 |
Nevin et al. |
Mar 1968 |
|
4223129 |
Roth et al. |
Sep 1980 |
|
4278663 |
Liu et al. |
Jul 1981 |
|
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
444958 |
Nov 1982 |
|