Claims
- 1. The compound of the structure wherein n1 is 1 to 5; n2 is 1 to 4; R′ is selected from the group consisting of hydrogen, methyl and ethyl; and X is O; or a pharmaceutically acceptable salt thereof.
- 2. The compound of claim 1, which is 2-(4-butanoylpiperazinyl) ethyl butanoate.
- 3. A pharmaceutical composition, comprising a compound of claim 1 and a pharmaceutically acceptable carrier or diluent.
- 4. The pharmaceutical composition of claim 3, wherein said compound is 2-(4-butanoylpiperazinyl)ethyl butanoate or a pharmaceutically acceptable salt thereof.
CROSS-REFERENCE TO RELATED APPLICATION
This is a divisional application of U.S. Ser. No. 09/579,602 filed on May 26, 2000 now U.S. Pat. No. 6,407,107.
This application claims the benefit of priority of U.S. provisional patent application Ser. No. 60/136,579, filed May 28, 1999, now abandoned.
Foreign Referenced Citations (1)
Number |
Date |
Country |
2758324 |
Jul 1998 |
FR |
Non-Patent Literature Citations (1)
Entry |
Pieri, Chemical Abstract, vol 129, No. 16 1572, 1998. |
Provisional Applications (1)
|
Number |
Date |
Country |
|
60/136579 |
May 1999 |
US |