| Clinical data | |
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| Trade names | Trelibet |
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| Chemical and physical data | |
| Formula | C17H19N3O |
| Molar mass | 281.359 g·mol−1 |
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Piberaline (EGYT-475;Trelibet) is apsychoactive drug and member of thepiperazinechemical class which wasdeveloped in the 1980s. It hasstimulant andantidepressant effects which are thought to be due largely to its active metabolitebenzylpiperazine.[1] It was studied to a limited extent in Hungary and Spain, but was not widely accepted and does not seem to be in current use, although a closely related drugbefuraline with similar effects has been slightly more successful.
Piberaline can be prepared by reaction ofpicolinic acid with benzylpiperazine.[2][3][4]

Alternatively, it can be synthesized from2-chloropyridine, carbon monoxide, and benzylpiperazine.